Home / 38,851.06-58,151.27-20,105.30

Finding the Fourth Proportional to 38,851.06, 58,151.27 and 20,105.30

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Solution

The fourth proportional to 38,851.06, 58,151.27 and 20,105.30 is: 30,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.06 : 58,151.27 = 20,105.30 : x
  2. Step 2: Convert to fraction form
    38,851.06/58,151.27 = 20,105.30/x
  3. Step 3: Cross multiply
    38,851.06x = 58,151.27 × 20,105.30
  4. Step 4: Simplify right side
    38,851.06x = 1,169,148,728.73
  5. Step 5: Solve for x
    x = 1,169,148,728.73/38,851.06
  6. Step 6: Final answer
    x = 30,093.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.