Home / 38,078.95-52,549.97-21,084.68

Finding the Fourth Proportional to 38,078.95, 52,549.97 and 21,084.68

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Solution

The fourth proportional to 38,078.95, 52,549.97 and 21,084.68 is: 29,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.95 : 52,549.97 = 21,084.68 : x
  2. Step 2: Convert to fraction form
    38,078.95/52,549.97 = 21,084.68/x
  3. Step 3: Cross multiply
    38,078.95x = 52,549.97 × 21,084.68
  4. Step 4: Simplify right side
    38,078.95x = 1,107,999,401.31
  5. Step 5: Solve for x
    x = 1,107,999,401.31/38,078.95
  6. Step 6: Final answer
    x = 29,097.42

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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.