Home / 49,167.30-67,831.05-28,457.17

Finding the Fourth Proportional to 49,167.30, 67,831.05 and 28,457.17

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Solution

The fourth proportional to 49,167.30, 67,831.05 and 28,457.17 is: 39,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,167.30 : 67,831.05 = 28,457.17 : x
  2. Step 2: Convert to fraction form
    49,167.30/67,831.05 = 28,457.17/x
  3. Step 3: Cross multiply
    49,167.30x = 67,831.05 × 28,457.17
  4. Step 4: Simplify right side
    49,167.30x = 1,930,279,381.97
  5. Step 5: Solve for x
    x = 1,930,279,381.97/49,167.30
  6. Step 6: Final answer
    x = 39,259.41

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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.