Home / 47,874.17-71,816.18-18,316.87

Finding the Fourth Proportional to 47,874.17, 71,816.18 and 18,316.87

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Solution

The fourth proportional to 47,874.17, 71,816.18 and 18,316.87 is: 27,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,874.17 : 71,816.18 = 18,316.87 : x
  2. Step 2: Convert to fraction form
    47,874.17/71,816.18 = 18,316.87/x
  3. Step 3: Cross multiply
    47,874.17x = 71,816.18 × 18,316.87
  4. Step 4: Simplify right side
    47,874.17x = 1,315,447,361.83
  5. Step 5: Solve for x
    x = 1,315,447,361.83/47,874.17
  6. Step 6: Final answer
    x = 27,477.18

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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.