Home / 37,820.20-52,191.45-20,824.10

Finding the Fourth Proportional to 37,820.20, 52,191.45 and 20,824.10

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Solution

The fourth proportional to 37,820.20, 52,191.45 and 20,824.10 is: 28,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,820.20 : 52,191.45 = 20,824.10 : x
  2. Step 2: Convert to fraction form
    37,820.20/52,191.45 = 20,824.10/x
  3. Step 3: Cross multiply
    37,820.20x = 52,191.45 × 20,824.10
  4. Step 4: Simplify right side
    37,820.20x = 1,086,839,973.95
  5. Step 5: Solve for x
    x = 1,086,839,973.95/37,820.20
  6. Step 6: Final answer
    x = 28,737.02

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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.