Home / 51,972.62-71,722.21-28,099.29

Finding the Fourth Proportional to 51,972.62, 71,722.21 and 28,099.29

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Solution

The fourth proportional to 51,972.62, 71,722.21 and 28,099.29 is: 38,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.62 : 71,722.21 = 28,099.29 : x
  2. Step 2: Convert to fraction form
    51,972.62/71,722.21 = 28,099.29/x
  3. Step 3: Cross multiply
    51,972.62x = 71,722.21 × 28,099.29
  4. Step 4: Simplify right side
    51,972.62x = 2,015,343,178.23
  5. Step 5: Solve for x
    x = 2,015,343,178.23/51,972.62
  6. Step 6: Final answer
    x = 38,777.02

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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.