Home / 36,034.12-49,737.54-20,930.20

Finding the Fourth Proportional to 36,034.12, 49,737.54 and 20,930.20

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Solution

The fourth proportional to 36,034.12, 49,737.54 and 20,930.20 is: 28,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,034.12 : 49,737.54 = 20,930.20 : x
  2. Step 2: Convert to fraction form
    36,034.12/49,737.54 = 20,930.20/x
  3. Step 3: Cross multiply
    36,034.12x = 49,737.54 × 20,930.20
  4. Step 4: Simplify right side
    36,034.12x = 1,041,016,659.71
  5. Step 5: Solve for x
    x = 1,041,016,659.71/36,034.12
  6. Step 6: Final answer
    x = 28,889.75

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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.