Home / 29,449.60-40,641.42-16,876.76

Finding the Fourth Proportional to 29,449.60, 40,641.42 and 16,876.76

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Solution

The fourth proportional to 29,449.60, 40,641.42 and 16,876.76 is: 23,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,449.60 : 40,641.42 = 16,876.76 : x
  2. Step 2: Convert to fraction form
    29,449.60/40,641.42 = 16,876.76/x
  3. Step 3: Cross multiply
    29,449.60x = 40,641.42 × 16,876.76
  4. Step 4: Simplify right side
    29,449.60x = 685,895,491.40
  5. Step 5: Solve for x
    x = 685,895,491.40/29,449.60
  6. Step 6: Final answer
    x = 23,290.49

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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.