Home / 37,836-52,213.20-20,841.12

Finding the Fourth Proportional to 37,836, 52,213.20 and 20,841.12

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Solution

The fourth proportional to 37,836, 52,213.20 and 20,841.12 is: 28,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836 : 52,213.20 = 20,841.12 : x
  2. Step 2: Convert to fraction form
    37,836/52,213.20 = 20,841.12/x
  3. Step 3: Cross multiply
    37,836x = 52,213.20 × 20,841.12
  4. Step 4: Simplify right side
    37,836x = 1,088,181,566.78
  5. Step 5: Solve for x
    x = 1,088,181,566.78/37,836
  6. Step 6: Final answer
    x = 28,760.48

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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.