Home / 38,331.75-52,900.32-21,335.79

Finding the Fourth Proportional to 38,331.75, 52,900.32 and 21,335.79

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Solution

The fourth proportional to 38,331.75, 52,900.32 and 21,335.79 is: 29,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.75 : 52,900.32 = 21,335.79 : x
  2. Step 2: Convert to fraction form
    38,331.75/52,900.32 = 21,335.79/x
  3. Step 3: Cross multiply
    38,331.75x = 52,900.32 × 21,335.79
  4. Step 4: Simplify right side
    38,331.75x = 1,128,670,118.45
  5. Step 5: Solve for x
    x = 1,128,670,118.45/38,331.75
  6. Step 6: Final answer
    x = 29,444.78

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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.