Home / 37,743.12-52,085.28-20,976

Finding the Fourth Proportional to 37,743.12, 52,085.28 and 20,976

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Solution

The fourth proportional to 37,743.12, 52,085.28 and 20,976 is: 28,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,743.12 : 52,085.28 = 20,976 : x
  2. Step 2: Convert to fraction form
    37,743.12/52,085.28 = 20,976/x
  3. Step 3: Cross multiply
    37,743.12x = 52,085.28 × 20,976
  4. Step 4: Simplify right side
    37,743.12x = 1,092,540,833.28
  5. Step 5: Solve for x
    x = 1,092,540,833.28/37,743.12
  6. Step 6: Final answer
    x = 28,946.75

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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.