Home / 55,686.20-76,772.61-44,239.10

Finding the Fourth Proportional to 55,686.20, 76,772.61 and 44,239.10

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Solution

The fourth proportional to 55,686.20, 76,772.61 and 44,239.10 is: 60,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.20 : 76,772.61 = 44,239.10 : x
  2. Step 2: Convert to fraction form
    55,686.20/76,772.61 = 44,239.10/x
  3. Step 3: Cross multiply
    55,686.20x = 76,772.61 × 44,239.10
  4. Step 4: Simplify right side
    55,686.20x = 3,396,350,787.19
  5. Step 5: Solve for x
    x = 3,396,350,787.19/55,686.20
  6. Step 6: Final answer
    x = 60,990.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.