Home / 29,191.64-40,286.51-16,616.39

Finding the Fourth Proportional to 29,191.64, 40,286.51 and 16,616.39

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Solution

The fourth proportional to 29,191.64, 40,286.51 and 16,616.39 is: 22,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.64 : 40,286.51 = 16,616.39 : x
  2. Step 2: Convert to fraction form
    29,191.64/40,286.51 = 16,616.39/x
  3. Step 3: Cross multiply
    29,191.64x = 40,286.51 × 16,616.39
  4. Step 4: Simplify right side
    29,191.64x = 669,416,077.38
  5. Step 5: Solve for x
    x = 669,416,077.38/29,191.64
  6. Step 6: Final answer
    x = 22,931.78

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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.