Home / 38,986.29-53,800.98-21,081.24

Finding the Fourth Proportional to 38,986.29, 53,800.98 and 21,081.24

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Solution

The fourth proportional to 38,986.29, 53,800.98 and 21,081.24 is: 29,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.29 : 53,800.98 = 21,081.24 : x
  2. Step 2: Convert to fraction form
    38,986.29/53,800.98 = 21,081.24/x
  3. Step 3: Cross multiply
    38,986.29x = 53,800.98 × 21,081.24
  4. Step 4: Simplify right side
    38,986.29x = 1,134,191,371.62
  5. Step 5: Solve for x
    x = 1,134,191,371.62/38,986.29
  6. Step 6: Final answer
    x = 29,092.06

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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.