Home / 29,149.40-40,219.26-16,581.08

Finding the Fourth Proportional to 29,149.40, 40,219.26 and 16,581.08

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Solution

The fourth proportional to 29,149.40, 40,219.26 and 16,581.08 is: 22,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.40 : 40,219.26 = 16,581.08 : x
  2. Step 2: Convert to fraction form
    29,149.40/40,219.26 = 16,581.08/x
  3. Step 3: Cross multiply
    29,149.40x = 40,219.26 × 16,581.08
  4. Step 4: Simplify right side
    29,149.40x = 666,878,767.60
  5. Step 5: Solve for x
    x = 666,878,767.60/29,149.40
  6. Step 6: Final answer
    x = 22,877.96

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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.