Home / 35,454.24-53,163.76-20,666.88

Finding the Fourth Proportional to 35,454.24, 53,163.76 and 20,666.88

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Solution

The fourth proportional to 35,454.24, 53,163.76 and 20,666.88 is: 30,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.24 : 53,163.76 = 20,666.88 : x
  2. Step 2: Convert to fraction form
    35,454.24/53,163.76 = 20,666.88/x
  3. Step 3: Cross multiply
    35,454.24x = 53,163.76 × 20,666.88
  4. Step 4: Simplify right side
    35,454.24x = 1,098,729,048.27
  5. Step 5: Solve for x
    x = 1,098,729,048.27/35,454.24
  6. Step 6: Final answer
    x = 30,990.06

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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.