Home / 48,304.42-72,456.88-21,990.76

Finding the Fourth Proportional to 48,304.42, 72,456.88 and 21,990.76

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Solution

The fourth proportional to 48,304.42, 72,456.88 and 21,990.76 is: 32,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,304.42 : 72,456.88 = 21,990.76 : x
  2. Step 2: Convert to fraction form
    48,304.42/72,456.88 = 21,990.76/x
  3. Step 3: Cross multiply
    48,304.42x = 72,456.88 × 21,990.76
  4. Step 4: Simplify right side
    48,304.42x = 1,593,381,858.43
  5. Step 5: Solve for x
    x = 1,593,381,858.43/48,304.42
  6. Step 6: Final answer
    x = 32,986.25

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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.