Home / 48,306.40-72,427.20-21,997.60

Finding the Fourth Proportional to 48,306.40, 72,427.20 and 21,997.60

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Solution

The fourth proportional to 48,306.40, 72,427.20 and 21,997.60 is: 32,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,306.40 : 72,427.20 = 21,997.60 : x
  2. Step 2: Convert to fraction form
    48,306.40/72,427.20 = 21,997.60/x
  3. Step 3: Cross multiply
    48,306.40x = 72,427.20 × 21,997.60
  4. Step 4: Simplify right side
    48,306.40x = 1,593,224,574.72
  5. Step 5: Solve for x
    x = 1,593,224,574.72/48,306.40
  6. Step 6: Final answer
    x = 32,981.65

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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.