Home / 29,086.16-40,139.15-16,339.59

Finding the Fourth Proportional to 29,086.16, 40,139.15 and 16,339.59

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Solution

The fourth proportional to 29,086.16, 40,139.15 and 16,339.59 is: 22,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.16 : 40,139.15 = 16,339.59 : x
  2. Step 2: Convert to fraction form
    29,086.16/40,139.15 = 16,339.59/x
  3. Step 3: Cross multiply
    29,086.16x = 40,139.15 × 16,339.59
  4. Step 4: Simplify right side
    29,086.16x = 655,857,172.25
  5. Step 5: Solve for x
    x = 655,857,172.25/29,086.16
  6. Step 6: Final answer
    x = 22,548.78

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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.