Home / 38,886.24-58,338.66-12,591

Finding the Fourth Proportional to 38,886.24, 58,338.66 and 12,591

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Solution

The fourth proportional to 38,886.24, 58,338.66 and 12,591 is: 18,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,886.24 : 58,338.66 = 12,591 : x
  2. Step 2: Convert to fraction form
    38,886.24/58,338.66 = 12,591/x
  3. Step 3: Cross multiply
    38,886.24x = 58,338.66 × 12,591
  4. Step 4: Simplify right side
    38,886.24x = 734,542,068.06
  5. Step 5: Solve for x
    x = 734,542,068.06/38,886.24
  6. Step 6: Final answer
    x = 18,889.51

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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.