Home / 79,221.24-118,858.34-25,915.64

Finding the Fourth Proportional to 79,221.24, 118,858.34 and 25,915.64

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Solution

The fourth proportional to 79,221.24, 118,858.34 and 25,915.64 is: 38,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,221.24 : 118,858.34 = 25,915.64 : x
  2. Step 2: Convert to fraction form
    79,221.24/118,858.34 = 25,915.64/x
  3. Step 3: Cross multiply
    79,221.24x = 118,858.34 × 25,915.64
  4. Step 4: Simplify right side
    79,221.24x = 3,080,289,950.44
  5. Step 5: Solve for x
    x = 3,080,289,950.44/79,221.24
  6. Step 6: Final answer
    x = 38,882.12

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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.