Home / 55,174.10-82,761.15-20,114.90

Finding the Fourth Proportional to 55,174.10, 82,761.15 and 20,114.90

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Solution

The fourth proportional to 55,174.10, 82,761.15 and 20,114.90 is: 30,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174.10 : 82,761.15 = 20,114.90 : x
  2. Step 2: Convert to fraction form
    55,174.10/82,761.15 = 20,114.90/x
  3. Step 3: Cross multiply
    55,174.10x = 82,761.15 × 20,114.90
  4. Step 4: Simplify right side
    55,174.10x = 1,664,732,256.14
  5. Step 5: Solve for x
    x = 1,664,732,256.14/55,174.10
  6. Step 6: Final answer
    x = 30,172.35

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1.5x scale

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.