Home / 38,785.38-58,178.28-15,411.78

Finding the Fourth Proportional to 38,785.38, 58,178.28 and 15,411.78

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Solution

The fourth proportional to 38,785.38, 58,178.28 and 15,411.78 is: 23,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.38 : 58,178.28 = 15,411.78 : x
  2. Step 2: Convert to fraction form
    38,785.38/58,178.28 = 15,411.78/x
  3. Step 3: Cross multiply
    38,785.38x = 58,178.28 × 15,411.78
  4. Step 4: Simplify right side
    38,785.38x = 896,630,852.14
  5. Step 5: Solve for x
    x = 896,630,852.14/38,785.38
  6. Step 6: Final answer
    x = 23,117.75

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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.