Home / 38,818.61-58,212.38-15,122.90

Finding the Fourth Proportional to 38,818.61, 58,212.38 and 15,122.90

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Solution

The fourth proportional to 38,818.61, 58,212.38 and 15,122.90 is: 22,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.61 : 58,212.38 = 15,122.90 : x
  2. Step 2: Convert to fraction form
    38,818.61/58,212.38 = 15,122.90/x
  3. Step 3: Cross multiply
    38,818.61x = 58,212.38 × 15,122.90
  4. Step 4: Simplify right side
    38,818.61x = 880,339,710.44
  5. Step 5: Solve for x
    x = 880,339,710.44/38,818.61
  6. Step 6: Final answer
    x = 22,678.29

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1.5x scale

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.