Home / 38,723.16-53,444.00-21,734.29

Finding the Fourth Proportional to 38,723.16, 53,444.00 and 21,734.29

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Solution

The fourth proportional to 38,723.16, 53,444.00 and 21,734.29 is: 29,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.16 : 53,444.00 = 21,734.29 : x
  2. Step 2: Convert to fraction form
    38,723.16/53,444.00 = 21,734.29/x
  3. Step 3: Cross multiply
    38,723.16x = 53,444.00 × 21,734.29
  4. Step 4: Simplify right side
    38,723.16x = 1,161,567,515.90
  5. Step 5: Solve for x
    x = 1,161,567,515.90/38,723.16
  6. Step 6: Final answer
    x = 29,996.71

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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.