Home / 42,489.46-63,721.14-14,021.15

Finding the Fourth Proportional to 42,489.46, 63,721.14 and 14,021.15

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Solution

The fourth proportional to 42,489.46, 63,721.14 and 14,021.15 is: 21,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,489.46 : 63,721.14 = 14,021.15 : x
  2. Step 2: Convert to fraction form
    42,489.46/63,721.14 = 14,021.15/x
  3. Step 3: Cross multiply
    42,489.46x = 63,721.14 × 14,021.15
  4. Step 4: Simplify right side
    42,489.46x = 893,443,662.11
  5. Step 5: Solve for x
    x = 893,443,662.11/42,489.46
  6. Step 6: Final answer
    x = 21,027.42

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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.