Home / 19,620.32-29,431.92-5,769.92

Finding the Fourth Proportional to 19,620.32, 29,431.92 and 5,769.92

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Solution

The fourth proportional to 19,620.32, 29,431.92 and 5,769.92 is: 8,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.32 : 29,431.92 = 5,769.92 : x
  2. Step 2: Convert to fraction form
    19,620.32/29,431.92 = 5,769.92/x
  3. Step 3: Cross multiply
    19,620.32x = 29,431.92 × 5,769.92
  4. Step 4: Simplify right side
    19,620.32x = 169,819,823.85
  5. Step 5: Solve for x
    x = 169,819,823.85/19,620.32
  6. Step 6: Final answer
    x = 8,655.30

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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.