Home / 29,619.60-40,876.14-16,191.76

Finding the Fourth Proportional to 29,619.60, 40,876.14 and 16,191.76

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Solution

The fourth proportional to 29,619.60, 40,876.14 and 16,191.76 is: 22,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,619.60 : 40,876.14 = 16,191.76 : x
  2. Step 2: Convert to fraction form
    29,619.60/40,876.14 = 16,191.76/x
  3. Step 3: Cross multiply
    29,619.60x = 40,876.14 × 16,191.76
  4. Step 4: Simplify right side
    29,619.60x = 661,856,648.61
  5. Step 5: Solve for x
    x = 661,856,648.61/29,619.60
  6. Step 6: Final answer
    x = 22,345.23

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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.