Home / 45,729.75-68,580.35-27,004.78

Finding the Fourth Proportional to 45,729.75, 68,580.35 and 27,004.78

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Solution

The fourth proportional to 45,729.75, 68,580.35 and 27,004.78 is: 40,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729.75 : 68,580.35 = 27,004.78 : x
  2. Step 2: Convert to fraction form
    45,729.75/68,580.35 = 27,004.78/x
  3. Step 3: Cross multiply
    45,729.75x = 68,580.35 × 27,004.78
  4. Step 4: Simplify right side
    45,729.75x = 1,851,997,264.07
  5. Step 5: Solve for x
    x = 1,851,997,264.07/45,729.75
  6. Step 6: Final answer
    x = 40,498.74

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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.