Home / 53,399.28-80,102.70-15,958.92

Finding the Fourth Proportional to 53,399.28, 80,102.70 and 15,958.92

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Solution

The fourth proportional to 53,399.28, 80,102.70 and 15,958.92 is: 23,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,399.28 : 80,102.70 = 15,958.92 : x
  2. Step 2: Convert to fraction form
    53,399.28/80,102.70 = 15,958.92/x
  3. Step 3: Cross multiply
    53,399.28x = 80,102.70 × 15,958.92
  4. Step 4: Simplify right side
    53,399.28x = 1,278,352,581.08
  5. Step 5: Solve for x
    x = 1,278,352,581.08/53,399.28
  6. Step 6: Final answer
    x = 23,939.51

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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.