Home / 38,480.26-57,774.09-19,776.16

Finding the Fourth Proportional to 38,480.26, 57,774.09 and 19,776.16

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Solution

The fourth proportional to 38,480.26, 57,774.09 and 19,776.16 is: 29,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.26 : 57,774.09 = 19,776.16 : x
  2. Step 2: Convert to fraction form
    38,480.26/57,774.09 = 19,776.16/x
  3. Step 3: Cross multiply
    38,480.26x = 57,774.09 × 19,776.16
  4. Step 4: Simplify right side
    38,480.26x = 1,142,549,647.69
  5. Step 5: Solve for x
    x = 1,142,549,647.69/38,480.26
  6. Step 6: Final answer
    x = 29,691.84

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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.