Home / 60,440.21-90,677.33-21,001.31

Finding the Fourth Proportional to 60,440.21, 90,677.33 and 21,001.31

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Solution

The fourth proportional to 60,440.21, 90,677.33 and 21,001.31 is: 31,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,440.21 : 90,677.33 = 21,001.31 : x
  2. Step 2: Convert to fraction form
    60,440.21/90,677.33 = 21,001.31/x
  3. Step 3: Cross multiply
    60,440.21x = 90,677.33 × 21,001.31
  4. Step 4: Simplify right side
    60,440.21x = 1,904,342,717.30
  5. Step 5: Solve for x
    x = 1,904,342,717.30/60,440.21
  6. Step 6: Final answer
    x = 31,507.88

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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.