Home / 35,520.50-53,280.28-10,220.67

Finding the Fourth Proportional to 35,520.50, 53,280.28 and 10,220.67

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Solution

The fourth proportional to 35,520.50, 53,280.28 and 10,220.67 is: 15,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.50 : 53,280.28 = 10,220.67 : x
  2. Step 2: Convert to fraction form
    35,520.50/53,280.28 = 10,220.67/x
  3. Step 3: Cross multiply
    35,520.50x = 53,280.28 × 10,220.67
  4. Step 4: Simplify right side
    35,520.50x = 544,560,172.16
  5. Step 5: Solve for x
    x = 544,560,172.16/35,520.50
  6. Step 6: Final answer
    x = 15,330.87

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Half scale
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Double scale
Find fourth proportional to 35,521.50, 53,281.78 and 10,221.67
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.