Home / 42,974.67-64,473.65-18,001.56

Finding the Fourth Proportional to 42,974.67, 64,473.65 and 18,001.56

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Solution

The fourth proportional to 42,974.67, 64,473.65 and 18,001.56 is: 27,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,974.67 : 64,473.65 = 18,001.56 : x
  2. Step 2: Convert to fraction form
    42,974.67/64,473.65 = 18,001.56/x
  3. Step 3: Cross multiply
    42,974.67x = 64,473.65 × 18,001.56
  4. Step 4: Simplify right side
    42,974.67x = 1,160,626,278.89
  5. Step 5: Solve for x
    x = 1,160,626,278.89/42,974.67
  6. Step 6: Final answer
    x = 27,007.22

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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.