Home / 50,972.40-76,433.76-21,382.20

Finding the Fourth Proportional to 50,972.40, 76,433.76 and 21,382.20

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Solution

The fourth proportional to 50,972.40, 76,433.76 and 21,382.20 is: 32,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.40 : 76,433.76 = 21,382.20 : x
  2. Step 2: Convert to fraction form
    50,972.40/76,433.76 = 21,382.20/x
  3. Step 3: Cross multiply
    50,972.40x = 76,433.76 × 21,382.20
  4. Step 4: Simplify right side
    50,972.40x = 1,634,321,943.07
  5. Step 5: Solve for x
    x = 1,634,321,943.07/50,972.40
  6. Step 6: Final answer
    x = 32,062.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.