Home / 42,523.75-63,788.33-12,943.77

Finding the Fourth Proportional to 42,523.75, 63,788.33 and 12,943.77

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Solution

The fourth proportional to 42,523.75, 63,788.33 and 12,943.77 is: 19,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,523.75 : 63,788.33 = 12,943.77 : x
  2. Step 2: Convert to fraction form
    42,523.75/63,788.33 = 12,943.77/x
  3. Step 3: Cross multiply
    42,523.75x = 63,788.33 × 12,943.77
  4. Step 4: Simplify right side
    42,523.75x = 825,661,472.20
  5. Step 5: Solve for x
    x = 825,661,472.20/42,523.75
  6. Step 6: Final answer
    x = 19,416.48

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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.