Home / 48,187.32-72,222.66-20,427

Finding the Fourth Proportional to 48,187.32, 72,222.66 and 20,427

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Solution

The fourth proportional to 48,187.32, 72,222.66 and 20,427 is: 30,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187.32 : 72,222.66 = 20,427 : x
  2. Step 2: Convert to fraction form
    48,187.32/72,222.66 = 20,427/x
  3. Step 3: Cross multiply
    48,187.32x = 72,222.66 × 20,427
  4. Step 4: Simplify right side
    48,187.32x = 1,475,292,275.82
  5. Step 5: Solve for x
    x = 1,475,292,275.82/48,187.32
  6. Step 6: Final answer
    x = 30,615.78

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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.