Home / 47,971.20-71,977.48-25,758.60

Finding the Fourth Proportional to 47,971.20, 71,977.48 and 25,758.60

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Solution

The fourth proportional to 47,971.20, 71,977.48 and 25,758.60 is: 38,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.20 : 71,977.48 = 25,758.60 : x
  2. Step 2: Convert to fraction form
    47,971.20/71,977.48 = 25,758.60/x
  3. Step 3: Cross multiply
    47,971.20x = 71,977.48 × 25,758.60
  4. Step 4: Simplify right side
    47,971.20x = 1,854,039,116.33
  5. Step 5: Solve for x
    x = 1,854,039,116.33/47,971.20
  6. Step 6: Final answer
    x = 38,649.00

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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.