Home / 48,780.96-73,121.22-19,186.80

Finding the Fourth Proportional to 48,780.96, 73,121.22 and 19,186.80

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Solution

The fourth proportional to 48,780.96, 73,121.22 and 19,186.80 is: 28,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.96 : 73,121.22 = 19,186.80 : x
  2. Step 2: Convert to fraction form
    48,780.96/73,121.22 = 19,186.80/x
  3. Step 3: Cross multiply
    48,780.96x = 73,121.22 × 19,186.80
  4. Step 4: Simplify right side
    48,780.96x = 1,402,962,223.90
  5. Step 5: Solve for x
    x = 1,402,962,223.90/48,780.96
  6. Step 6: Final answer
    x = 28,760.45

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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.