Home / 45,681.06-63,059.28-27,781.80

Finding the Fourth Proportional to 45,681.06, 63,059.28 and 27,781.80

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Solution

The fourth proportional to 45,681.06, 63,059.28 and 27,781.80 is: 38,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,681.06 : 63,059.28 = 27,781.80 : x
  2. Step 2: Convert to fraction form
    45,681.06/63,059.28 = 27,781.80/x
  3. Step 3: Cross multiply
    45,681.06x = 63,059.28 × 27,781.80
  4. Step 4: Simplify right side
    45,681.06x = 1,751,900,305.10
  5. Step 5: Solve for x
    x = 1,751,900,305.10/45,681.06
  6. Step 6: Final answer
    x = 38,350.69

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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.