Home / 38,441.51-57,661.92-12,146.25

Finding the Fourth Proportional to 38,441.51, 57,661.92 and 12,146.25

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Solution

The fourth proportional to 38,441.51, 57,661.92 and 12,146.25 is: 18,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.51 : 57,661.92 = 12,146.25 : x
  2. Step 2: Convert to fraction form
    38,441.51/57,661.92 = 12,146.25/x
  3. Step 3: Cross multiply
    38,441.51x = 57,661.92 × 12,146.25
  4. Step 4: Simplify right side
    38,441.51x = 700,376,095.80
  5. Step 5: Solve for x
    x = 700,376,095.80/38,441.51
  6. Step 6: Final answer
    x = 18,219.27

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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.