Home / 48,831.23-67,387.40-28,425.44

Finding the Fourth Proportional to 48,831.23, 67,387.40 and 28,425.44

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Solution

The fourth proportional to 48,831.23, 67,387.40 and 28,425.44 is: 39,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.23 : 67,387.40 = 28,425.44 : x
  2. Step 2: Convert to fraction form
    48,831.23/67,387.40 = 28,425.44/x
  3. Step 3: Cross multiply
    48,831.23x = 67,387.40 × 28,425.44
  4. Step 4: Simplify right side
    48,831.23x = 1,915,516,016.39
  5. Step 5: Solve for x
    x = 1,915,516,016.39/48,831.23
  6. Step 6: Final answer
    x = 39,227.28

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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.