Home / 35,520.03-53,280.05-12,146.67

Finding the Fourth Proportional to 35,520.03, 53,280.05 and 12,146.67

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Solution

The fourth proportional to 35,520.03, 53,280.05 and 12,146.67 is: 18,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.03 : 53,280.05 = 12,146.67 : x
  2. Step 2: Convert to fraction form
    35,520.03/53,280.05 = 12,146.67/x
  3. Step 3: Cross multiply
    35,520.03x = 53,280.05 × 12,146.67
  4. Step 4: Simplify right side
    35,520.03x = 647,175,124.20
  5. Step 5: Solve for x
    x = 647,175,124.20/35,520.03
  6. Step 6: Final answer
    x = 18,220.01

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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.