Home / 48,219.49-72,340.79-20,123.92

Finding the Fourth Proportional to 48,219.49, 72,340.79 and 20,123.92

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Solution

The fourth proportional to 48,219.49, 72,340.79 and 20,123.92 is: 30,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,219.49 : 72,340.79 = 20,123.92 : x
  2. Step 2: Convert to fraction form
    48,219.49/72,340.79 = 20,123.92/x
  3. Step 3: Cross multiply
    48,219.49x = 72,340.79 × 20,123.92
  4. Step 4: Simplify right side
    48,219.49x = 1,455,780,270.70
  5. Step 5: Solve for x
    x = 1,455,780,270.70/48,219.49
  6. Step 6: Final answer
    x = 30,190.70

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1.5x scale

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.