Home / 43,343.20-65,015-18,376.98

Finding the Fourth Proportional to 43,343.20, 65,015 and 18,376.98

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Solution

The fourth proportional to 43,343.20, 65,015 and 18,376.98 is: 27,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.20 : 65,015 = 18,376.98 : x
  2. Step 2: Convert to fraction form
    43,343.20/65,015 = 18,376.98/x
  3. Step 3: Cross multiply
    43,343.20x = 65,015 × 18,376.98
  4. Step 4: Simplify right side
    43,343.20x = 1,194,779,354.70
  5. Step 5: Solve for x
    x = 1,194,779,354.70/43,343.20
  6. Step 6: Final answer
    x = 27,565.55

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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.