Home / 48,377.55-72,510.84-20,292.42

Finding the Fourth Proportional to 48,377.55, 72,510.84 and 20,292.42

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Solution

The fourth proportional to 48,377.55, 72,510.84 and 20,292.42 is: 30,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,377.55 : 72,510.84 = 20,292.42 : x
  2. Step 2: Convert to fraction form
    48,377.55/72,510.84 = 20,292.42/x
  3. Step 3: Cross multiply
    48,377.55x = 72,510.84 × 20,292.42
  4. Step 4: Simplify right side
    48,377.55x = 1,471,420,419.83
  5. Step 5: Solve for x
    x = 1,471,420,419.83/48,377.55
  6. Step 6: Final answer
    x = 30,415.36

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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.