Home / 42,554.70-63,831.12-11,389.95

Finding the Fourth Proportional to 42,554.70, 63,831.12 and 11,389.95

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Solution

The fourth proportional to 42,554.70, 63,831.12 and 11,389.95 is: 17,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,554.70 : 63,831.12 = 11,389.95 : x
  2. Step 2: Convert to fraction form
    42,554.70/63,831.12 = 11,389.95/x
  3. Step 3: Cross multiply
    42,554.70x = 63,831.12 × 11,389.95
  4. Step 4: Simplify right side
    42,554.70x = 727,033,265.24
  5. Step 5: Solve for x
    x = 727,033,265.24/42,554.70
  6. Step 6: Final answer
    x = 17,084.68

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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.