Home / 51,972.68-71,722.28-28,099.35

Finding the Fourth Proportional to 51,972.68, 71,722.28 and 28,099.35

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Solution

The fourth proportional to 51,972.68, 71,722.28 and 28,099.35 is: 38,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.68 : 71,722.28 = 28,099.35 : x
  2. Step 2: Convert to fraction form
    51,972.68/71,722.28 = 28,099.35/x
  3. Step 3: Cross multiply
    51,972.68x = 71,722.28 × 28,099.35
  4. Step 4: Simplify right side
    51,972.68x = 2,015,348,949.41
  5. Step 5: Solve for x
    x = 2,015,348,949.41/51,972.68
  6. Step 6: Final answer
    x = 38,777.09

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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.