Home / 44,614.40-66,870.72-21,207.68

Finding the Fourth Proportional to 44,614.40, 66,870.72 and 21,207.68

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Solution

The fourth proportional to 44,614.40, 66,870.72 and 21,207.68 is: 31,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,614.40 : 66,870.72 = 21,207.68 : x
  2. Step 2: Convert to fraction form
    44,614.40/66,870.72 = 21,207.68/x
  3. Step 3: Cross multiply
    44,614.40x = 66,870.72 × 21,207.68
  4. Step 4: Simplify right side
    44,614.40x = 1,418,172,831.13
  5. Step 5: Solve for x
    x = 1,418,172,831.13/44,614.40
  6. Step 6: Final answer
    x = 31,787.33

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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.