Home / 43,597.50-65,396.87-12,432.75

Finding the Fourth Proportional to 43,597.50, 65,396.87 and 12,432.75

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Solution

The fourth proportional to 43,597.50, 65,396.87 and 12,432.75 is: 18,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,597.50 : 65,396.87 = 12,432.75 : x
  2. Step 2: Convert to fraction form
    43,597.50/65,396.87 = 12,432.75/x
  3. Step 3: Cross multiply
    43,597.50x = 65,396.87 × 12,432.75
  4. Step 4: Simplify right side
    43,597.50x = 813,062,873.33
  5. Step 5: Solve for x
    x = 813,062,873.33/43,597.50
  6. Step 6: Final answer
    x = 18,649.30

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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.