Home / 37,764.12-52,113.06-20,998.20

Finding the Fourth Proportional to 37,764.12, 52,113.06 and 20,998.20

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Solution

The fourth proportional to 37,764.12, 52,113.06 and 20,998.20 is: 28,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,764.12 : 52,113.06 = 20,998.20 : x
  2. Step 2: Convert to fraction form
    37,764.12/52,113.06 = 20,998.20/x
  3. Step 3: Cross multiply
    37,764.12x = 52,113.06 × 20,998.20
  4. Step 4: Simplify right side
    37,764.12x = 1,094,280,456.49
  5. Step 5: Solve for x
    x = 1,094,280,456.49/37,764.12
  6. Step 6: Final answer
    x = 28,976.72

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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.