Home / 37,805.32-52,170.18-20,809.96

Finding the Fourth Proportional to 37,805.32, 52,170.18 and 20,809.96

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Solution

The fourth proportional to 37,805.32, 52,170.18 and 20,809.96 is: 28,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.32 : 52,170.18 = 20,809.96 : x
  2. Step 2: Convert to fraction form
    37,805.32/52,170.18 = 20,809.96/x
  3. Step 3: Cross multiply
    37,805.32x = 52,170.18 × 20,809.96
  4. Step 4: Simplify right side
    37,805.32x = 1,085,659,358.99
  5. Step 5: Solve for x
    x = 1,085,659,358.99/37,805.32
  6. Step 6: Final answer
    x = 28,717.11

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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.