Home / 38,511.20-53,117-24,350.40

Finding the Fourth Proportional to 38,511.20, 53,117 and 24,350.40

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Solution

The fourth proportional to 38,511.20, 53,117 and 24,350.40 is: 33,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.20 : 53,117 = 24,350.40 : x
  2. Step 2: Convert to fraction form
    38,511.20/53,117 = 24,350.40/x
  3. Step 3: Cross multiply
    38,511.20x = 53,117 × 24,350.40
  4. Step 4: Simplify right side
    38,511.20x = 1,293,420,196.80
  5. Step 5: Solve for x
    x = 1,293,420,196.80/38,511.20
  6. Step 6: Final answer
    x = 33,585.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.