Home / 42,538.40-63,807.66-11,373.64

Finding the Fourth Proportional to 42,538.40, 63,807.66 and 11,373.64

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Solution

The fourth proportional to 42,538.40, 63,807.66 and 11,373.64 is: 17,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,538.40 : 63,807.66 = 11,373.64 : x
  2. Step 2: Convert to fraction form
    42,538.40/63,807.66 = 11,373.64/x
  3. Step 3: Cross multiply
    42,538.40x = 63,807.66 × 11,373.64
  4. Step 4: Simplify right side
    42,538.40x = 725,725,354.08
  5. Step 5: Solve for x
    x = 725,725,354.08/42,538.40
  6. Step 6: Final answer
    x = 17,060.48

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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.