Home / 29,387.43-40,554.66-16,812.18

Finding the Fourth Proportional to 29,387.43, 40,554.66 and 16,812.18

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Solution

The fourth proportional to 29,387.43, 40,554.66 and 16,812.18 is: 23,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.43 : 40,554.66 = 16,812.18 : x
  2. Step 2: Convert to fraction form
    29,387.43/40,554.66 = 16,812.18/x
  3. Step 3: Cross multiply
    29,387.43x = 40,554.66 × 16,812.18
  4. Step 4: Simplify right side
    29,387.43x = 681,812,243.76
  5. Step 5: Solve for x
    x = 681,812,243.76/29,387.43
  6. Step 6: Final answer
    x = 23,200.81

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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.