Home / 39,231.76-58,766.36-19,180.88

Finding the Fourth Proportional to 39,231.76, 58,766.36 and 19,180.88

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Solution

The fourth proportional to 39,231.76, 58,766.36 and 19,180.88 is: 28,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.76 : 58,766.36 = 19,180.88 : x
  2. Step 2: Convert to fraction form
    39,231.76/58,766.36 = 19,180.88/x
  3. Step 3: Cross multiply
    39,231.76x = 58,766.36 × 19,180.88
  4. Step 4: Simplify right side
    39,231.76x = 1,127,190,499.20
  5. Step 5: Solve for x
    x = 1,127,190,499.20/39,231.76
  6. Step 6: Final answer
    x = 28,731.58

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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.