Home / 38,146.44-57,219.67-11,851.19

Finding the Fourth Proportional to 38,146.44, 57,219.67 and 11,851.19

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Solution

The fourth proportional to 38,146.44, 57,219.67 and 11,851.19 is: 17,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.44 : 57,219.67 = 11,851.19 : x
  2. Step 2: Convert to fraction form
    38,146.44/57,219.67 = 11,851.19/x
  3. Step 3: Cross multiply
    38,146.44x = 57,219.67 × 11,851.19
  4. Step 4: Simplify right side
    38,146.44x = 678,120,894.81
  5. Step 5: Solve for x
    x = 678,120,894.81/38,146.44
  6. Step 6: Final answer
    x = 17,776.78

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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.