Home / 45,679.52-63,040.16-27,771.60

Finding the Fourth Proportional to 45,679.52, 63,040.16 and 27,771.60

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Solution

The fourth proportional to 45,679.52, 63,040.16 and 27,771.60 is: 38,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.52 : 63,040.16 = 27,771.60 : x
  2. Step 2: Convert to fraction form
    45,679.52/63,040.16 = 27,771.60/x
  3. Step 3: Cross multiply
    45,679.52x = 63,040.16 × 27,771.60
  4. Step 4: Simplify right side
    45,679.52x = 1,750,726,107.46
  5. Step 5: Solve for x
    x = 1,750,726,107.46/45,679.52
  6. Step 6: Final answer
    x = 38,326.28

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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.