Home / 42,658.26-63,987.80-16,356.75

Finding the Fourth Proportional to 42,658.26, 63,987.80 and 16,356.75

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Solution

The fourth proportional to 42,658.26, 63,987.80 and 16,356.75 is: 24,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658.26 : 63,987.80 = 16,356.75 : x
  2. Step 2: Convert to fraction form
    42,658.26/63,987.80 = 16,356.75/x
  3. Step 3: Cross multiply
    42,658.26x = 63,987.80 × 16,356.75
  4. Step 4: Simplify right side
    42,658.26x = 1,046,632,447.65
  5. Step 5: Solve for x
    x = 1,046,632,447.65/42,658.26
  6. Step 6: Final answer
    x = 24,535.28

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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.