Home / 52,195.71-78,293.61-12,752.40

Finding the Fourth Proportional to 52,195.71, 78,293.61 and 12,752.40

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Solution

The fourth proportional to 52,195.71, 78,293.61 and 12,752.40 is: 19,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,195.71 : 78,293.61 = 12,752.40 : x
  2. Step 2: Convert to fraction form
    52,195.71/78,293.61 = 12,752.40/x
  3. Step 3: Cross multiply
    52,195.71x = 78,293.61 × 12,752.40
  4. Step 4: Simplify right side
    52,195.71x = 998,431,432.16
  5. Step 5: Solve for x
    x = 998,431,432.16/52,195.71
  6. Step 6: Final answer
    x = 19,128.61

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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.