Home / 38,916.06-58,381.71-13,949.43

Finding the Fourth Proportional to 38,916.06, 58,381.71 and 13,949.43

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Solution

The fourth proportional to 38,916.06, 58,381.71 and 13,949.43 is: 20,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.06 : 58,381.71 = 13,949.43 : x
  2. Step 2: Convert to fraction form
    38,916.06/58,381.71 = 13,949.43/x
  3. Step 3: Cross multiply
    38,916.06x = 58,381.71 × 13,949.43
  4. Step 4: Simplify right side
    38,916.06x = 814,391,576.93
  5. Step 5: Solve for x
    x = 814,391,576.93/38,916.06
  6. Step 6: Final answer
    x = 20,926.88

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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.