Home / 42,005.34-62,989.29-22,279.41

Finding the Fourth Proportional to 42,005.34, 62,989.29 and 22,279.41

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Solution

The fourth proportional to 42,005.34, 62,989.29 and 22,279.41 is: 33,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005.34 : 62,989.29 = 22,279.41 : x
  2. Step 2: Convert to fraction form
    42,005.34/62,989.29 = 22,279.41/x
  3. Step 3: Cross multiply
    42,005.34x = 62,989.29 × 22,279.41
  4. Step 4: Simplify right side
    42,005.34x = 1,403,364,217.52
  5. Step 5: Solve for x
    x = 1,403,364,217.52/42,005.34
  6. Step 6: Final answer
    x = 33,409.19

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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.