Home / 65,816.28-90,824.22-37,531.08

Finding the Fourth Proportional to 65,816.28, 90,824.22 and 37,531.08

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Solution

The fourth proportional to 65,816.28, 90,824.22 and 37,531.08 is: 51,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,816.28 : 90,824.22 = 37,531.08 : x
  2. Step 2: Convert to fraction form
    65,816.28/90,824.22 = 37,531.08/x
  3. Step 3: Cross multiply
    65,816.28x = 90,824.22 × 37,531.08
  4. Step 4: Simplify right side
    65,816.28x = 3,408,731,066.76
  5. Step 5: Solve for x
    x = 3,408,731,066.76/65,816.28
  6. Step 6: Final answer
    x = 51,791.61

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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.