Home / 47,961.36-71,962.76-25,748.80

Finding the Fourth Proportional to 47,961.36, 71,962.76 and 25,748.80

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Solution

The fourth proportional to 47,961.36, 71,962.76 and 25,748.80 is: 38,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,961.36 : 71,962.76 = 25,748.80 : x
  2. Step 2: Convert to fraction form
    47,961.36/71,962.76 = 25,748.80/x
  3. Step 3: Cross multiply
    47,961.36x = 71,962.76 × 25,748.80
  4. Step 4: Simplify right side
    47,961.36x = 1,852,954,714.69
  5. Step 5: Solve for x
    x = 1,852,954,714.69/47,961.36
  6. Step 6: Final answer
    x = 38,634.32

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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.