Home / 38,630.38-57,971.54-13,670.33

Finding the Fourth Proportional to 38,630.38, 57,971.54 and 13,670.33

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Solution

The fourth proportional to 38,630.38, 57,971.54 and 13,670.33 is: 20,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.38 : 57,971.54 = 13,670.33 : x
  2. Step 2: Convert to fraction form
    38,630.38/57,971.54 = 13,670.33/x
  3. Step 3: Cross multiply
    38,630.38x = 57,971.54 × 13,670.33
  4. Step 4: Simplify right side
    38,630.38x = 792,490,082.41
  5. Step 5: Solve for x
    x = 792,490,082.41/38,630.38
  6. Step 6: Final answer
    x = 20,514.69

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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.