Home / 42,663.60-63,943.49-30,187.22

Finding the Fourth Proportional to 42,663.60, 63,943.49 and 30,187.22

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Solution

The fourth proportional to 42,663.60, 63,943.49 and 30,187.22 is: 45,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.60 : 63,943.49 = 30,187.22 : x
  2. Step 2: Convert to fraction form
    42,663.60/63,943.49 = 30,187.22/x
  3. Step 3: Cross multiply
    42,663.60x = 63,943.49 × 30,187.22
  4. Step 4: Simplify right side
    42,663.60x = 1,930,275,955.95
  5. Step 5: Solve for x
    x = 1,930,275,955.95/42,663.60
  6. Step 6: Final answer
    x = 45,244.09

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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.