Home / 38,813.53-58,178.45-18,780.71

Finding the Fourth Proportional to 38,813.53, 58,178.45 and 18,780.71

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Solution

The fourth proportional to 38,813.53, 58,178.45 and 18,780.71 is: 28,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,813.53 : 58,178.45 = 18,780.71 : x
  2. Step 2: Convert to fraction form
    38,813.53/58,178.45 = 18,780.71/x
  3. Step 3: Cross multiply
    38,813.53x = 58,178.45 × 18,780.71
  4. Step 4: Simplify right side
    38,813.53x = 1,092,632,597.70
  5. Step 5: Solve for x
    x = 1,092,632,597.70/38,813.53
  6. Step 6: Final answer
    x = 28,150.82

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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.