Home / 45,791.15-63,191.78-27,886.15

Finding the Fourth Proportional to 45,791.15, 63,191.78 and 27,886.15

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Solution

The fourth proportional to 45,791.15, 63,191.78 and 27,886.15 is: 38,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,791.15 : 63,191.78 = 27,886.15 : x
  2. Step 2: Convert to fraction form
    45,791.15/63,191.78 = 27,886.15/x
  3. Step 3: Cross multiply
    45,791.15x = 63,191.78 × 27,886.15
  4. Step 4: Simplify right side
    45,791.15x = 1,762,175,662.49
  5. Step 5: Solve for x
    x = 1,762,175,662.49/45,791.15
  6. Step 6: Final answer
    x = 38,482.89

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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.