Home / 47,387.71-65,395.17-25,877.65

Finding the Fourth Proportional to 47,387.71, 65,395.17 and 25,877.65

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Solution

The fourth proportional to 47,387.71, 65,395.17 and 25,877.65 is: 35,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.71 : 65,395.17 = 25,877.65 : x
  2. Step 2: Convert to fraction form
    47,387.71/65,395.17 = 25,877.65/x
  3. Step 3: Cross multiply
    47,387.71x = 65,395.17 × 25,877.65
  4. Step 4: Simplify right side
    47,387.71x = 1,692,273,536.78
  5. Step 5: Solve for x
    x = 1,692,273,536.78/47,387.71
  6. Step 6: Final answer
    x = 35,711.23

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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.