Home / 38,898.66-58,341.78-13,934.10

Finding the Fourth Proportional to 38,898.66, 58,341.78 and 13,934.10

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Solution

The fourth proportional to 38,898.66, 58,341.78 and 13,934.10 is: 20,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.66 : 58,341.78 = 13,934.10 : x
  2. Step 2: Convert to fraction form
    38,898.66/58,341.78 = 13,934.10/x
  3. Step 3: Cross multiply
    38,898.66x = 58,341.78 × 13,934.10
  4. Step 4: Simplify right side
    38,898.66x = 812,940,196.70
  5. Step 5: Solve for x
    x = 812,940,196.70/38,898.66
  6. Step 6: Final answer
    x = 20,898.93

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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.