Home / 38,318.84-57,425.86-28,951.19

Finding the Fourth Proportional to 38,318.84, 57,425.86 and 28,951.19

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Solution

The fourth proportional to 38,318.84, 57,425.86 and 28,951.19 is: 43,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.84 : 57,425.86 = 28,951.19 : x
  2. Step 2: Convert to fraction form
    38,318.84/57,425.86 = 28,951.19/x
  3. Step 3: Cross multiply
    38,318.84x = 57,425.86 × 28,951.19
  4. Step 4: Simplify right side
    38,318.84x = 1,662,546,948.18
  5. Step 5: Solve for x
    x = 1,662,546,948.18/38,318.84
  6. Step 6: Final answer
    x = 43,387.20

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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.