Home / 55,114.20-82,671.30-39,562.20

Finding the Fourth Proportional to 55,114.20, 82,671.30 and 39,562.20

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Solution

The fourth proportional to 55,114.20, 82,671.30 and 39,562.20 is: 59,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,114.20 : 82,671.30 = 39,562.20 : x
  2. Step 2: Convert to fraction form
    55,114.20/82,671.30 = 39,562.20/x
  3. Step 3: Cross multiply
    55,114.20x = 82,671.30 × 39,562.20
  4. Step 4: Simplify right side
    55,114.20x = 3,270,658,504.86
  5. Step 5: Solve for x
    x = 3,270,658,504.86/55,114.20
  6. Step 6: Final answer
    x = 59,343.30

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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.