Home / 48,541.46-72,812.67-13,481.30

Finding the Fourth Proportional to 48,541.46, 72,812.67 and 13,481.30

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Solution

The fourth proportional to 48,541.46, 72,812.67 and 13,481.30 is: 20,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,541.46 : 72,812.67 = 13,481.30 : x
  2. Step 2: Convert to fraction form
    48,541.46/72,812.67 = 13,481.30/x
  3. Step 3: Cross multiply
    48,541.46x = 72,812.67 × 13,481.30
  4. Step 4: Simplify right side
    48,541.46x = 981,609,448.07
  5. Step 5: Solve for x
    x = 981,609,448.07/48,541.46
  6. Step 6: Final answer
    x = 20,222.08

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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.