Home / 47,301.27-65,287.13-28,434.75

Finding the Fourth Proportional to 47,301.27, 65,287.13 and 28,434.75

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Solution

The fourth proportional to 47,301.27, 65,287.13 and 28,434.75 is: 39,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,301.27 : 65,287.13 = 28,434.75 : x
  2. Step 2: Convert to fraction form
    47,301.27/65,287.13 = 28,434.75/x
  3. Step 3: Cross multiply
    47,301.27x = 65,287.13 × 28,434.75
  4. Step 4: Simplify right side
    47,301.27x = 1,856,423,077.59
  5. Step 5: Solve for x
    x = 1,856,423,077.59/47,301.27
  6. Step 6: Final answer
    x = 39,246.79

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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.