Home / 29,121.19-43,681.85-8,061.30

Finding the Fourth Proportional to 29,121.19, 43,681.85 and 8,061.30

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Solution

The fourth proportional to 29,121.19, 43,681.85 and 8,061.30 is: 12,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.19 : 43,681.85 = 8,061.30 : x
  2. Step 2: Convert to fraction form
    29,121.19/43,681.85 = 8,061.30/x
  3. Step 3: Cross multiply
    29,121.19x = 43,681.85 × 8,061.30
  4. Step 4: Simplify right side
    29,121.19x = 352,132,238.69
  5. Step 5: Solve for x
    x = 352,132,238.69/29,121.19
  6. Step 6: Final answer
    x = 12,091.96

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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.