Home / 42,118.83-63,262.08-26,351.78

Finding the Fourth Proportional to 42,118.83, 63,262.08 and 26,351.78

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Solution

The fourth proportional to 42,118.83, 63,262.08 and 26,351.78 is: 39,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118.83 : 63,262.08 = 26,351.78 : x
  2. Step 2: Convert to fraction form
    42,118.83/63,262.08 = 26,351.78/x
  3. Step 3: Cross multiply
    42,118.83x = 63,262.08 × 26,351.78
  4. Step 4: Simplify right side
    42,118.83x = 1,667,068,098.19
  5. Step 5: Solve for x
    x = 1,667,068,098.19/42,118.83
  6. Step 6: Final answer
    x = 39,580.11

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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.