Home / 38,570.65-57,860.24-12,269.25

Finding the Fourth Proportional to 38,570.65, 57,860.24 and 12,269.25

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Solution

The fourth proportional to 38,570.65, 57,860.24 and 12,269.25 is: 18,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.65 : 57,860.24 = 12,269.25 : x
  2. Step 2: Convert to fraction form
    38,570.65/57,860.24 = 12,269.25/x
  3. Step 3: Cross multiply
    38,570.65x = 57,860.24 × 12,269.25
  4. Step 4: Simplify right side
    38,570.65x = 709,901,749.62
  5. Step 5: Solve for x
    x = 709,901,749.62/38,570.65
  6. Step 6: Final answer
    x = 18,405.23

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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.