Home / 38,707.61-58,061.48-12,414.47

Finding the Fourth Proportional to 38,707.61, 58,061.48 and 12,414.47

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Solution

The fourth proportional to 38,707.61, 58,061.48 and 12,414.47 is: 18,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.61 : 58,061.48 = 12,414.47 : x
  2. Step 2: Convert to fraction form
    38,707.61/58,061.48 = 12,414.47/x
  3. Step 3: Cross multiply
    38,707.61x = 58,061.48 × 12,414.47
  4. Step 4: Simplify right side
    38,707.61x = 720,802,149.24
  5. Step 5: Solve for x
    x = 720,802,149.24/38,707.61
  6. Step 6: Final answer
    x = 18,621.72

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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.