Home / 37,976.14-52,406.76-20,980.36

Finding the Fourth Proportional to 37,976.14, 52,406.76 and 20,980.36

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Solution

The fourth proportional to 37,976.14, 52,406.76 and 20,980.36 is: 28,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,976.14 : 52,406.76 = 20,980.36 : x
  2. Step 2: Convert to fraction form
    37,976.14/52,406.76 = 20,980.36/x
  3. Step 3: Cross multiply
    37,976.14x = 52,406.76 × 20,980.36
  4. Step 4: Simplify right side
    37,976.14x = 1,099,512,691.23
  5. Step 5: Solve for x
    x = 1,099,512,691.23/37,976.14
  6. Step 6: Final answer
    x = 28,952.72

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1.5x scale

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.