Home / 38,918.17-58,371.78-12,623.14

Finding the Fourth Proportional to 38,918.17, 58,371.78 and 12,623.14

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Solution

The fourth proportional to 38,918.17, 58,371.78 and 12,623.14 is: 18,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,918.17 : 58,371.78 = 12,623.14 : x
  2. Step 2: Convert to fraction form
    38,918.17/58,371.78 = 12,623.14/x
  3. Step 3: Cross multiply
    38,918.17x = 58,371.78 × 12,623.14
  4. Step 4: Simplify right side
    38,918.17x = 736,834,859.13
  5. Step 5: Solve for x
    x = 736,834,859.13/38,918.17
  6. Step 6: Final answer
    x = 18,932.93

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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.