Home / 29,443.72-40,632.30-16,868.52

Finding the Fourth Proportional to 29,443.72, 40,632.30 and 16,868.52

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Solution

The fourth proportional to 29,443.72, 40,632.30 and 16,868.52 is: 23,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.72 : 40,632.30 = 16,868.52 : x
  2. Step 2: Convert to fraction form
    29,443.72/40,632.30 = 16,868.52/x
  3. Step 3: Cross multiply
    29,443.72x = 40,632.30 × 16,868.52
  4. Step 4: Simplify right side
    29,443.72x = 685,406,765.20
  5. Step 5: Solve for x
    x = 685,406,765.20/29,443.72
  6. Step 6: Final answer
    x = 23,278.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.