Home / 43,482.30-65,196.80-18,508.13

Finding the Fourth Proportional to 43,482.30, 65,196.80 and 18,508.13

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Solution

The fourth proportional to 43,482.30, 65,196.80 and 18,508.13 is: 27,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.30 : 65,196.80 = 18,508.13 : x
  2. Step 2: Convert to fraction form
    43,482.30/65,196.80 = 18,508.13/x
  3. Step 3: Cross multiply
    43,482.30x = 65,196.80 × 18,508.13
  4. Step 4: Simplify right side
    43,482.30x = 1,206,670,431.46
  5. Step 5: Solve for x
    x = 1,206,670,431.46/43,482.30
  6. Step 6: Final answer
    x = 27,750.84

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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.