Home / 37,820.76-52,192.21-20,824.65

Finding the Fourth Proportional to 37,820.76, 52,192.21 and 20,824.65

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Solution

The fourth proportional to 37,820.76, 52,192.21 and 20,824.65 is: 28,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,820.76 : 52,192.21 = 20,824.65 : x
  2. Step 2: Convert to fraction form
    37,820.76/52,192.21 = 20,824.65/x
  3. Step 3: Cross multiply
    37,820.76x = 52,192.21 × 20,824.65
  4. Step 4: Simplify right side
    37,820.76x = 1,086,884,505.98
  5. Step 5: Solve for x
    x = 1,086,884,505.98/37,820.76
  6. Step 6: Final answer
    x = 28,737.78

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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.