Home / 55,756.40-83,521.20-34,631.60

Finding the Fourth Proportional to 55,756.40, 83,521.20 and 34,631.60

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Solution

The fourth proportional to 55,756.40, 83,521.20 and 34,631.60 is: 51,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756.40 : 83,521.20 = 34,631.60 : x
  2. Step 2: Convert to fraction form
    55,756.40/83,521.20 = 34,631.60/x
  3. Step 3: Cross multiply
    55,756.40x = 83,521.20 × 34,631.60
  4. Step 4: Simplify right side
    55,756.40x = 2,892,472,789.92
  5. Step 5: Solve for x
    x = 2,892,472,789.92/55,756.40
  6. Step 6: Final answer
    x = 51,876.96

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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.