Home / 43,689.53-65,534.47-13,294.96

Finding the Fourth Proportional to 43,689.53, 65,534.47 and 13,294.96

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Solution

The fourth proportional to 43,689.53, 65,534.47 and 13,294.96 is: 19,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689.53 : 65,534.47 = 13,294.96 : x
  2. Step 2: Convert to fraction form
    43,689.53/65,534.47 = 13,294.96/x
  3. Step 3: Cross multiply
    43,689.53x = 65,534.47 × 13,294.96
  4. Step 4: Simplify right side
    43,689.53x = 871,278,157.27
  5. Step 5: Solve for x
    x = 871,278,157.27/43,689.53
  6. Step 6: Final answer
    x = 19,942.49

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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.