Home / 55,019.20-82,528.80-51,301.30

Finding the Fourth Proportional to 55,019.20, 82,528.80 and 51,301.30

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Solution

The fourth proportional to 55,019.20, 82,528.80 and 51,301.30 is: 76,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019.20 : 82,528.80 = 51,301.30 : x
  2. Step 2: Convert to fraction form
    55,019.20/82,528.80 = 51,301.30/x
  3. Step 3: Cross multiply
    55,019.20x = 82,528.80 × 51,301.30
  4. Step 4: Simplify right side
    55,019.20x = 4,233,834,727.44
  5. Step 5: Solve for x
    x = 4,233,834,727.44/55,019.20
  6. Step 6: Final answer
    x = 76,951.95

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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.