Home / 43,618.11-65,446.60-15,909.63

Finding the Fourth Proportional to 43,618.11, 65,446.60 and 15,909.63

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Solution

The fourth proportional to 43,618.11, 65,446.60 and 15,909.63 is: 23,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,618.11 : 65,446.60 = 15,909.63 : x
  2. Step 2: Convert to fraction form
    43,618.11/65,446.60 = 15,909.63/x
  3. Step 3: Cross multiply
    43,618.11x = 65,446.60 × 15,909.63
  4. Step 4: Simplify right side
    43,618.11x = 1,041,231,190.76
  5. Step 5: Solve for x
    x = 1,041,231,190.76/43,618.11
  6. Step 6: Final answer
    x = 23,871.53

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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.