Home / 42,427.38-63,616.66-17,484.64

Finding the Fourth Proportional to 42,427.38, 63,616.66 and 17,484.64

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Solution

The fourth proportional to 42,427.38, 63,616.66 and 17,484.64 is: 26,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427.38 : 63,616.66 = 17,484.64 : x
  2. Step 2: Convert to fraction form
    42,427.38/63,616.66 = 17,484.64/x
  3. Step 3: Cross multiply
    42,427.38x = 63,616.66 × 17,484.64
  4. Step 4: Simplify right side
    42,427.38x = 1,112,314,398.10
  5. Step 5: Solve for x
    x = 1,112,314,398.10/42,427.38
  6. Step 6: Final answer
    x = 26,216.90

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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.