Home / 48,539.56-72,796.22-20,831.08

Finding the Fourth Proportional to 48,539.56, 72,796.22 and 20,831.08

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Solution

The fourth proportional to 48,539.56, 72,796.22 and 20,831.08 is: 31,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,539.56 : 72,796.22 = 20,831.08 : x
  2. Step 2: Convert to fraction form
    48,539.56/72,796.22 = 20,831.08/x
  3. Step 3: Cross multiply
    48,539.56x = 72,796.22 × 20,831.08
  4. Step 4: Simplify right side
    48,539.56x = 1,516,423,882.52
  5. Step 5: Solve for x
    x = 1,516,423,882.52/48,539.56
  6. Step 6: Final answer
    x = 31,240.99

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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.