Home / 48,381.15-72,576.33-18,801.28

Finding the Fourth Proportional to 48,381.15, 72,576.33 and 18,801.28

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Solution

The fourth proportional to 48,381.15, 72,576.33 and 18,801.28 is: 28,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.15 : 72,576.33 = 18,801.28 : x
  2. Step 2: Convert to fraction form
    48,381.15/72,576.33 = 18,801.28/x
  3. Step 3: Cross multiply
    48,381.15x = 72,576.33 × 18,801.28
  4. Step 4: Simplify right side
    48,381.15x = 1,364,527,901.70
  5. Step 5: Solve for x
    x = 1,364,527,901.70/48,381.15
  6. Step 6: Final answer
    x = 28,203.71

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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.