Home / 42,403.64-63,474.24-36,105.08

Finding the Fourth Proportional to 42,403.64, 63,474.24 and 36,105.08

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Solution

The fourth proportional to 42,403.64, 63,474.24 and 36,105.08 is: 54,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,403.64 : 63,474.24 = 36,105.08 : x
  2. Step 2: Convert to fraction form
    42,403.64/63,474.24 = 36,105.08/x
  3. Step 3: Cross multiply
    42,403.64x = 63,474.24 × 36,105.08
  4. Step 4: Simplify right side
    42,403.64x = 2,291,742,513.14
  5. Step 5: Solve for x
    x = 2,291,742,513.14/42,403.64
  6. Step 6: Final answer
    x = 54,045.89

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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.