Home / 48,380.15-72,574.83-18,800.28

Finding the Fourth Proportional to 48,380.15, 72,574.83 and 18,800.28

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Solution

The fourth proportional to 48,380.15, 72,574.83 and 18,800.28 is: 28,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.15 : 72,574.83 = 18,800.28 : x
  2. Step 2: Convert to fraction form
    48,380.15/72,574.83 = 18,800.28/x
  3. Step 3: Cross multiply
    48,380.15x = 72,574.83 × 18,800.28
  4. Step 4: Simplify right side
    48,380.15x = 1,364,427,124.95
  5. Step 5: Solve for x
    x = 1,364,427,124.95/48,380.15
  6. Step 6: Final answer
    x = 28,202.21

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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.