Home / 48,342.66-72,499.95-20,261.97

Finding the Fourth Proportional to 48,342.66, 72,499.95 and 20,261.97

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Solution

The fourth proportional to 48,342.66, 72,499.95 and 20,261.97 is: 30,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,342.66 : 72,499.95 = 20,261.97 : x
  2. Step 2: Convert to fraction form
    48,342.66/72,499.95 = 20,261.97/x
  3. Step 3: Cross multiply
    48,342.66x = 72,499.95 × 20,261.97
  4. Step 4: Simplify right side
    48,342.66x = 1,468,991,811.90
  5. Step 5: Solve for x
    x = 1,468,991,811.90/48,342.66
  6. Step 6: Final answer
    x = 30,387.07

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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.