Home / 30,113.71-45,168.40-9,336.67

Finding the Fourth Proportional to 30,113.71, 45,168.40 and 9,336.67

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Solution

The fourth proportional to 30,113.71, 45,168.40 and 9,336.67 is: 14,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.71 : 45,168.40 = 9,336.67 : x
  2. Step 2: Convert to fraction form
    30,113.71/45,168.40 = 9,336.67/x
  3. Step 3: Cross multiply
    30,113.71x = 45,168.40 × 9,336.67
  4. Step 4: Simplify right side
    30,113.71x = 421,722,172.70
  5. Step 5: Solve for x
    x = 421,722,172.70/30,113.71
  6. Step 6: Final answer
    x = 14,004.33

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Half scale
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Double scale
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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.