Home / 42,578.25-63,867.98-14,504.76

Finding the Fourth Proportional to 42,578.25, 63,867.98 and 14,504.76

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Solution

The fourth proportional to 42,578.25, 63,867.98 and 14,504.76 is: 21,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578.25 : 63,867.98 = 14,504.76 : x
  2. Step 2: Convert to fraction form
    42,578.25/63,867.98 = 14,504.76/x
  3. Step 3: Cross multiply
    42,578.25x = 63,867.98 × 14,504.76
  4. Step 4: Simplify right side
    42,578.25x = 926,389,721.58
  5. Step 5: Solve for x
    x = 926,389,721.58/42,578.25
  6. Step 6: Final answer
    x = 21,757.35

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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.