Home / 42,331.07-63,440.89-23,619.91

Finding the Fourth Proportional to 42,331.07, 63,440.89 and 23,619.91

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Solution

The fourth proportional to 42,331.07, 63,440.89 and 23,619.91 is: 35,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.07 : 63,440.89 = 23,619.91 : x
  2. Step 2: Convert to fraction form
    42,331.07/63,440.89 = 23,619.91/x
  3. Step 3: Cross multiply
    42,331.07x = 63,440.89 × 23,619.91
  4. Step 4: Simplify right side
    42,331.07x = 1,498,467,994.02
  5. Step 5: Solve for x
    x = 1,498,467,994.02/42,331.07
  6. Step 6: Final answer
    x = 35,398.78

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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.