Home / 37,764.62-52,113.75-20,998.70

Finding the Fourth Proportional to 37,764.62, 52,113.75 and 20,998.70

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Solution

The fourth proportional to 37,764.62, 52,113.75 and 20,998.70 is: 28,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,764.62 : 52,113.75 = 20,998.70 : x
  2. Step 2: Convert to fraction form
    37,764.62/52,113.75 = 20,998.70/x
  3. Step 3: Cross multiply
    37,764.62x = 52,113.75 × 20,998.70
  4. Step 4: Simplify right side
    37,764.62x = 1,094,321,002.13
  5. Step 5: Solve for x
    x = 1,094,321,002.13/37,764.62
  6. Step 6: Final answer
    x = 28,977.41

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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.