Home / 42,405.38-63,618.74-29,949.81

Finding the Fourth Proportional to 42,405.38, 63,618.74 and 29,949.81

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Solution

The fourth proportional to 42,405.38, 63,618.74 and 29,949.81 is: 44,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,405.38 : 63,618.74 = 29,949.81 : x
  2. Step 2: Convert to fraction form
    42,405.38/63,618.74 = 29,949.81/x
  3. Step 3: Cross multiply
    42,405.38x = 63,618.74 × 29,949.81
  4. Step 4: Simplify right side
    42,405.38x = 1,905,369,175.44
  5. Step 5: Solve for x
    x = 1,905,369,175.44/42,405.38
  6. Step 6: Final answer
    x = 44,932.25

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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.