Home / 30,400.90-41,860.36-27,549.72

Finding the Fourth Proportional to 30,400.90, 41,860.36 and 27,549.72

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Solution

The fourth proportional to 30,400.90, 41,860.36 and 27,549.72 is: 37,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.90 : 41,860.36 = 27,549.72 : x
  2. Step 2: Convert to fraction form
    30,400.90/41,860.36 = 27,549.72/x
  3. Step 3: Cross multiply
    30,400.90x = 41,860.36 × 27,549.72
  4. Step 4: Simplify right side
    30,400.90x = 1,153,241,231.54
  5. Step 5: Solve for x
    x = 1,153,241,231.54/30,400.90
  6. Step 6: Final answer
    x = 37,934.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.