Home / 52,040.05-71,815.13-28,166.74

Finding the Fourth Proportional to 52,040.05, 71,815.13 and 28,166.74

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Solution

The fourth proportional to 52,040.05, 71,815.13 and 28,166.74 is: 38,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.05 : 71,815.13 = 28,166.74 : x
  2. Step 2: Convert to fraction form
    52,040.05/71,815.13 = 28,166.74/x
  3. Step 3: Cross multiply
    52,040.05x = 71,815.13 × 28,166.74
  4. Step 4: Simplify right side
    52,040.05x = 2,022,797,735.70
  5. Step 5: Solve for x
    x = 2,022,797,735.70/52,040.05
  6. Step 6: Final answer
    x = 38,870.02

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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.