Home / 42,067.61-63,048.79-21,013.53

Finding the Fourth Proportional to 42,067.61, 63,048.79 and 21,013.53

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Solution

The fourth proportional to 42,067.61, 63,048.79 and 21,013.53 is: 31,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,067.61 : 63,048.79 = 21,013.53 : x
  2. Step 2: Convert to fraction form
    42,067.61/63,048.79 = 21,013.53/x
  3. Step 3: Cross multiply
    42,067.61x = 63,048.79 × 21,013.53
  4. Step 4: Simplify right side
    42,067.61x = 1,324,877,640.13
  5. Step 5: Solve for x
    x = 1,324,877,640.13/42,067.61
  6. Step 6: Final answer
    x = 31,494.01

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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.