Home / 29,387.59-40,554.45-16,640.44

Finding the Fourth Proportional to 29,387.59, 40,554.45 and 16,640.44

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Solution

The fourth proportional to 29,387.59, 40,554.45 and 16,640.44 is: 22,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.59 : 40,554.45 = 16,640.44 : x
  2. Step 2: Convert to fraction form
    29,387.59/40,554.45 = 16,640.44/x
  3. Step 3: Cross multiply
    29,387.59x = 40,554.45 × 16,640.44
  4. Step 4: Simplify right side
    29,387.59x = 674,843,790.57
  5. Step 5: Solve for x
    x = 674,843,790.57/29,387.59
  6. Step 6: Final answer
    x = 22,963.57

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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.