Home / 42,488.54-63,732.82-10,898.60

Finding the Fourth Proportional to 42,488.54, 63,732.82 and 10,898.60

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Solution

The fourth proportional to 42,488.54, 63,732.82 and 10,898.60 is: 16,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,488.54 : 63,732.82 = 10,898.60 : x
  2. Step 2: Convert to fraction form
    42,488.54/63,732.82 = 10,898.60/x
  3. Step 3: Cross multiply
    42,488.54x = 63,732.82 × 10,898.60
  4. Step 4: Simplify right side
    42,488.54x = 694,598,644.14
  5. Step 5: Solve for x
    x = 694,598,644.14/42,488.54
  6. Step 6: Final answer
    x = 16,347.91

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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.