Home / 36,000.60-54,017.28-18,482.72

Finding the Fourth Proportional to 36,000.60, 54,017.28 and 18,482.72

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Solution

The fourth proportional to 36,000.60, 54,017.28 and 18,482.72 is: 27,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.60 : 54,017.28 = 18,482.72 : x
  2. Step 2: Convert to fraction form
    36,000.60/54,017.28 = 18,482.72/x
  3. Step 3: Cross multiply
    36,000.60x = 54,017.28 × 18,482.72
  4. Step 4: Simplify right side
    36,000.60x = 998,386,261.40
  5. Step 5: Solve for x
    x = 998,386,261.40/36,000.60
  6. Step 6: Final answer
    x = 27,732.49

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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.