Home / 38,718.52-58,087.77-12,423.49

Finding the Fourth Proportional to 38,718.52, 58,087.77 and 12,423.49

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Solution

The fourth proportional to 38,718.52, 58,087.77 and 12,423.49 is: 18,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,718.52 : 58,087.77 = 12,423.49 : x
  2. Step 2: Convert to fraction form
    38,718.52/58,087.77 = 12,423.49/x
  3. Step 3: Cross multiply
    38,718.52x = 58,087.77 × 12,423.49
  4. Step 4: Simplify right side
    38,718.52x = 721,652,829.72
  5. Step 5: Solve for x
    x = 721,652,829.72/38,718.52
  6. Step 6: Final answer
    x = 18,638.44

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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.