Home / 38,957.22-58,427.43-12,305.29

Finding the Fourth Proportional to 38,957.22, 58,427.43 and 12,305.29

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Solution

The fourth proportional to 38,957.22, 58,427.43 and 12,305.29 is: 18,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957.22 : 58,427.43 = 12,305.29 : x
  2. Step 2: Convert to fraction form
    38,957.22/58,427.43 = 12,305.29/x
  3. Step 3: Cross multiply
    38,957.22x = 58,427.43 × 12,305.29
  4. Step 4: Simplify right side
    38,957.22x = 718,966,470.10
  5. Step 5: Solve for x
    x = 718,966,470.10/38,957.22
  6. Step 6: Final answer
    x = 18,455.28

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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.