Home / 42,159.05-63,249.51-22,421.38

Finding the Fourth Proportional to 42,159.05, 63,249.51 and 22,421.38

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Solution

The fourth proportional to 42,159.05, 63,249.51 and 22,421.38 is: 33,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.05 : 63,249.51 = 22,421.38 : x
  2. Step 2: Convert to fraction form
    42,159.05/63,249.51 = 22,421.38/x
  3. Step 3: Cross multiply
    42,159.05x = 63,249.51 × 22,421.38
  4. Step 4: Simplify right side
    42,159.05x = 1,418,140,982.28
  5. Step 5: Solve for x
    x = 1,418,140,982.28/42,159.05
  6. Step 6: Final answer
    x = 33,637.88

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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.