Home / 47,242.71-65,172.20-29,358.72

Finding the Fourth Proportional to 47,242.71, 65,172.20 and 29,358.72

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Solution

The fourth proportional to 47,242.71, 65,172.20 and 29,358.72 is: 40,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,242.71 : 65,172.20 = 29,358.72 : x
  2. Step 2: Convert to fraction form
    47,242.71/65,172.20 = 29,358.72/x
  3. Step 3: Cross multiply
    47,242.71x = 65,172.20 × 29,358.72
  4. Step 4: Simplify right side
    47,242.71x = 1,913,372,224.79
  5. Step 5: Solve for x
    x = 1,913,372,224.79/47,242.71
  6. Step 6: Final answer
    x = 40,500.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.