Home / 42,567.36-63,845.76-11,404.80

Finding the Fourth Proportional to 42,567.36, 63,845.76 and 11,404.80

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Solution

The fourth proportional to 42,567.36, 63,845.76 and 11,404.80 is: 17,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.36 : 63,845.76 = 11,404.80 : x
  2. Step 2: Convert to fraction form
    42,567.36/63,845.76 = 11,404.80/x
  3. Step 3: Cross multiply
    42,567.36x = 63,845.76 × 11,404.80
  4. Step 4: Simplify right side
    42,567.36x = 728,148,123.65
  5. Step 5: Solve for x
    x = 728,148,123.65/42,567.36
  6. Step 6: Final answer
    x = 17,105.79

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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.