Home / 38,448.90-57,673.01-12,153.65

Finding the Fourth Proportional to 38,448.90, 57,673.01 and 12,153.65

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Solution

The fourth proportional to 38,448.90, 57,673.01 and 12,153.65 is: 18,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.90 : 57,673.01 = 12,153.65 : x
  2. Step 2: Convert to fraction form
    38,448.90/57,673.01 = 12,153.65/x
  3. Step 3: Cross multiply
    38,448.90x = 57,673.01 × 12,153.65
  4. Step 4: Simplify right side
    38,448.90x = 700,937,517.22
  5. Step 5: Solve for x
    x = 700,937,517.22/38,448.90
  6. Step 6: Final answer
    x = 18,230.37

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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.