Home / 39,139.29-58,708.71-9,557.28

Finding the Fourth Proportional to 39,139.29, 58,708.71 and 9,557.28

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Solution

The fourth proportional to 39,139.29, 58,708.71 and 9,557.28 is: 14,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.29 : 58,708.71 = 9,557.28 : x
  2. Step 2: Convert to fraction form
    39,139.29/58,708.71 = 9,557.28/x
  3. Step 3: Cross multiply
    39,139.29x = 58,708.71 × 9,557.28
  4. Step 4: Simplify right side
    39,139.29x = 561,095,579.91
  5. Step 5: Solve for x
    x = 561,095,579.91/39,139.29
  6. Step 6: Final answer
    x = 14,335.87

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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.