Home / 29,387.91-40,554.99-16,640.75

Finding the Fourth Proportional to 29,387.91, 40,554.99 and 16,640.75

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Solution

The fourth proportional to 29,387.91, 40,554.99 and 16,640.75 is: 22,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.91 : 40,554.99 = 16,640.75 : x
  2. Step 2: Convert to fraction form
    29,387.91/40,554.99 = 16,640.75/x
  3. Step 3: Cross multiply
    29,387.91x = 40,554.99 × 16,640.75
  4. Step 4: Simplify right side
    29,387.91x = 674,865,247.07
  5. Step 5: Solve for x
    x = 674,865,247.07/29,387.91
  6. Step 6: Final answer
    x = 22,964.04

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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.