Home / 42,001.66-63,002.64-28,814.06

Finding the Fourth Proportional to 42,001.66, 63,002.64 and 28,814.06

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Solution

The fourth proportional to 42,001.66, 63,002.64 and 28,814.06 is: 43,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.66 : 63,002.64 = 28,814.06 : x
  2. Step 2: Convert to fraction form
    42,001.66/63,002.64 = 28,814.06/x
  3. Step 3: Cross multiply
    42,001.66x = 63,002.64 × 28,814.06
  4. Step 4: Simplify right side
    42,001.66x = 1,815,361,849.12
  5. Step 5: Solve for x
    x = 1,815,361,849.12/42,001.66
  6. Step 6: Final answer
    x = 43,221.19

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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.