Home / 38,909.32-53,716.98-25,699.72

Finding the Fourth Proportional to 38,909.32, 53,716.98 and 25,699.72

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Solution

The fourth proportional to 38,909.32, 53,716.98 and 25,699.72 is: 35,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,909.32 : 53,716.98 = 25,699.72 : x
  2. Step 2: Convert to fraction form
    38,909.32/53,716.98 = 25,699.72/x
  3. Step 3: Cross multiply
    38,909.32x = 53,716.98 × 25,699.72
  4. Step 4: Simplify right side
    38,909.32x = 1,380,511,345.25
  5. Step 5: Solve for x
    x = 1,380,511,345.25/38,909.32
  6. Step 6: Final answer
    x = 35,480.22

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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.