Home / 42,356.72-63,540.95-14,284.82

Finding the Fourth Proportional to 42,356.72, 63,540.95 and 14,284.82

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Solution

The fourth proportional to 42,356.72, 63,540.95 and 14,284.82 is: 21,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.72 : 63,540.95 = 14,284.82 : x
  2. Step 2: Convert to fraction form
    42,356.72/63,540.95 = 14,284.82/x
  3. Step 3: Cross multiply
    42,356.72x = 63,540.95 × 14,284.82
  4. Step 4: Simplify right side
    42,356.72x = 907,670,644.25
  5. Step 5: Solve for x
    x = 907,670,644.25/42,356.72
  6. Step 6: Final answer
    x = 21,429.20

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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.