Home / 43,561.28-65,350.41-13,976.84

Finding the Fourth Proportional to 43,561.28, 65,350.41 and 13,976.84

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Solution

The fourth proportional to 43,561.28, 65,350.41 and 13,976.84 is: 20,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.28 : 65,350.41 = 13,976.84 : x
  2. Step 2: Convert to fraction form
    43,561.28/65,350.41 = 13,976.84/x
  3. Step 3: Cross multiply
    43,561.28x = 65,350.41 × 13,976.84
  4. Step 4: Simplify right side
    43,561.28x = 913,391,897.75
  5. Step 5: Solve for x
    x = 913,391,897.75/43,561.28
  6. Step 6: Final answer
    x = 20,967.98

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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.