Home / 48,306.41-72,459.90-21,992.75

Finding the Fourth Proportional to 48,306.41, 72,459.90 and 21,992.75

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Solution

The fourth proportional to 48,306.41, 72,459.90 and 21,992.75 is: 32,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,306.41 : 72,459.90 = 21,992.75 : x
  2. Step 2: Convert to fraction form
    48,306.41/72,459.90 = 21,992.75/x
  3. Step 3: Cross multiply
    48,306.41x = 72,459.90 × 21,992.75
  4. Step 4: Simplify right side
    48,306.41x = 1,593,592,465.73
  5. Step 5: Solve for x
    x = 1,593,592,465.73/48,306.41
  6. Step 6: Final answer
    x = 32,989.25

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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.