Home / 29,089.14-40,140.10-16,343.79

Finding the Fourth Proportional to 29,089.14, 40,140.10 and 16,343.79

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Solution

The fourth proportional to 29,089.14, 40,140.10 and 16,343.79 is: 22,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.14 : 40,140.10 = 16,343.79 : x
  2. Step 2: Convert to fraction form
    29,089.14/40,140.10 = 16,343.79/x
  3. Step 3: Cross multiply
    29,089.14x = 40,140.10 × 16,343.79
  4. Step 4: Simplify right side
    29,089.14x = 656,041,385.41
  5. Step 5: Solve for x
    x = 656,041,385.41/29,089.14
  6. Step 6: Final answer
    x = 22,552.79

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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.