Home / 32,867.60-49,301.40-18,870.80

Finding the Fourth Proportional to 32,867.60, 49,301.40 and 18,870.80

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Solution

The fourth proportional to 32,867.60, 49,301.40 and 18,870.80 is: 28,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,867.60 : 49,301.40 = 18,870.80 : x
  2. Step 2: Convert to fraction form
    32,867.60/49,301.40 = 18,870.80/x
  3. Step 3: Cross multiply
    32,867.60x = 49,301.40 × 18,870.80
  4. Step 4: Simplify right side
    32,867.60x = 930,356,859.12
  5. Step 5: Solve for x
    x = 930,356,859.12/32,867.60
  6. Step 6: Final answer
    x = 28,306.20

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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.