Home / 38,723.43-53,431.99-22,805.72

Finding the Fourth Proportional to 38,723.43, 53,431.99 and 22,805.72

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Solution

The fourth proportional to 38,723.43, 53,431.99 and 22,805.72 is: 31,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.43 : 53,431.99 = 22,805.72 : x
  2. Step 2: Convert to fraction form
    38,723.43/53,431.99 = 22,805.72/x
  3. Step 3: Cross multiply
    38,723.43x = 53,431.99 × 22,805.72
  4. Step 4: Simplify right side
    38,723.43x = 1,218,555,002.98
  5. Step 5: Solve for x
    x = 1,218,555,002.98/38,723.43
  6. Step 6: Final answer
    x = 31,468.16

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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.