Home / 45,036.88-67,549.24-11,759.28

Finding the Fourth Proportional to 45,036.88, 67,549.24 and 11,759.28

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Solution

The fourth proportional to 45,036.88, 67,549.24 and 11,759.28 is: 17,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.88 : 67,549.24 = 11,759.28 : x
  2. Step 2: Convert to fraction form
    45,036.88/67,549.24 = 11,759.28/x
  3. Step 3: Cross multiply
    45,036.88x = 67,549.24 × 11,759.28
  4. Step 4: Simplify right side
    45,036.88x = 794,330,426.95
  5. Step 5: Solve for x
    x = 794,330,426.95/45,036.88
  6. Step 6: Final answer
    x = 17,637.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.