Home / 48,818.89-73,177.61-20,756.95

Finding the Fourth Proportional to 48,818.89, 73,177.61 and 20,756.95

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Solution

The fourth proportional to 48,818.89, 73,177.61 and 20,756.95 is: 31,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,818.89 : 73,177.61 = 20,756.95 : x
  2. Step 2: Convert to fraction form
    48,818.89/73,177.61 = 20,756.95/x
  3. Step 3: Cross multiply
    48,818.89x = 73,177.61 × 20,756.95
  4. Step 4: Simplify right side
    48,818.89x = 1,518,943,991.89
  5. Step 5: Solve for x
    x = 1,518,943,991.89/48,818.89
  6. Step 6: Final answer
    x = 31,113.86

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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.