Home / 38,718.63-58,081.10-15,045.75

Finding the Fourth Proportional to 38,718.63, 58,081.10 and 15,045.75

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Solution

The fourth proportional to 38,718.63, 58,081.10 and 15,045.75 is: 22,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,718.63 : 58,081.10 = 15,045.75 : x
  2. Step 2: Convert to fraction form
    38,718.63/58,081.10 = 15,045.75/x
  3. Step 3: Cross multiply
    38,718.63x = 58,081.10 × 15,045.75
  4. Step 4: Simplify right side
    38,718.63x = 873,873,635.10
  5. Step 5: Solve for x
    x = 873,873,635.10/38,718.63
  6. Step 6: Final answer
    x = 22,569.85

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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.