Home / 29,621.40-40,876.34-16,193.12

Finding the Fourth Proportional to 29,621.40, 40,876.34 and 16,193.12

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Solution

The fourth proportional to 29,621.40, 40,876.34 and 16,193.12 is: 22,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.40 : 40,876.34 = 16,193.12 : x
  2. Step 2: Convert to fraction form
    29,621.40/40,876.34 = 16,193.12/x
  3. Step 3: Cross multiply
    29,621.40x = 40,876.34 × 16,193.12
  4. Step 4: Simplify right side
    29,621.40x = 661,915,478.78
  5. Step 5: Solve for x
    x = 661,915,478.78/29,621.40
  6. Step 6: Final answer
    x = 22,345.85

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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.