Home / 30,229.55-45,352.01-17,760.11

Finding the Fourth Proportional to 30,229.55, 45,352.01 and 17,760.11

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Solution

The fourth proportional to 30,229.55, 45,352.01 and 17,760.11 is: 26,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.55 : 45,352.01 = 17,760.11 : x
  2. Step 2: Convert to fraction form
    30,229.55/45,352.01 = 17,760.11/x
  3. Step 3: Cross multiply
    30,229.55x = 45,352.01 × 17,760.11
  4. Step 4: Simplify right side
    30,229.55x = 805,456,686.32
  5. Step 5: Solve for x
    x = 805,456,686.32/30,229.55
  6. Step 6: Final answer
    x = 26,644.68

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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.