Home / 52,104.87-71,905.05-28,231.72

Finding the Fourth Proportional to 52,104.87, 71,905.05 and 28,231.72

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Solution

The fourth proportional to 52,104.87, 71,905.05 and 28,231.72 is: 38,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,104.87 : 71,905.05 = 28,231.72 : x
  2. Step 2: Convert to fraction form
    52,104.87/71,905.05 = 28,231.72/x
  3. Step 3: Cross multiply
    52,104.87x = 71,905.05 × 28,231.72
  4. Step 4: Simplify right side
    52,104.87x = 2,030,003,058.42
  5. Step 5: Solve for x
    x = 2,030,003,058.42/52,104.87
  6. Step 6: Final answer
    x = 38,959.95

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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.