Home / 38,647.33-57,992.56-20,877.65

Finding the Fourth Proportional to 38,647.33, 57,992.56 and 20,877.65

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Solution

The fourth proportional to 38,647.33, 57,992.56 and 20,877.65 is: 31,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647.33 : 57,992.56 = 20,877.65 : x
  2. Step 2: Convert to fraction form
    38,647.33/57,992.56 = 20,877.65/x
  3. Step 3: Cross multiply
    38,647.33x = 57,992.56 × 20,877.65
  4. Step 4: Simplify right side
    38,647.33x = 1,210,748,245.60
  5. Step 5: Solve for x
    x = 1,210,748,245.60/38,647.33
  6. Step 6: Final answer
    x = 31,328.12

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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.