Home / 51,995.07-71,753.18-28,121.73

Finding the Fourth Proportional to 51,995.07, 71,753.18 and 28,121.73

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Solution

The fourth proportional to 51,995.07, 71,753.18 and 28,121.73 is: 38,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.07 : 71,753.18 = 28,121.73 : x
  2. Step 2: Convert to fraction form
    51,995.07/71,753.18 = 28,121.73/x
  3. Step 3: Cross multiply
    51,995.07x = 71,753.18 × 28,121.73
  4. Step 4: Simplify right side
    51,995.07x = 2,017,823,750.34
  5. Step 5: Solve for x
    x = 2,017,823,750.34/51,995.07
  6. Step 6: Final answer
    x = 38,807.98

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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.