Home / 48,301.41-72,452.40-21,987.75

Finding the Fourth Proportional to 48,301.41, 72,452.40 and 21,987.75

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Solution

The fourth proportional to 48,301.41, 72,452.40 and 21,987.75 is: 32,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301.41 : 72,452.40 = 21,987.75 : x
  2. Step 2: Convert to fraction form
    48,301.41/72,452.40 = 21,987.75/x
  3. Step 3: Cross multiply
    48,301.41x = 72,452.40 × 21,987.75
  4. Step 4: Simplify right side
    48,301.41x = 1,593,065,258.10
  5. Step 5: Solve for x
    x = 1,593,065,258.10/48,301.41
  6. Step 6: Final answer
    x = 32,981.75

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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.