Home / 30,514.60-45,712.38-27,212.20

Finding the Fourth Proportional to 30,514.60, 45,712.38 and 27,212.20

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Solution

The fourth proportional to 30,514.60, 45,712.38 and 27,212.20 is: 40,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,514.60 : 45,712.38 = 27,212.20 : x
  2. Step 2: Convert to fraction form
    30,514.60/45,712.38 = 27,212.20/x
  3. Step 3: Cross multiply
    30,514.60x = 45,712.38 × 27,212.20
  4. Step 4: Simplify right side
    30,514.60x = 1,243,934,427.04
  5. Step 5: Solve for x
    x = 1,243,934,427.04/30,514.60
  6. Step 6: Final answer
    x = 40,765.22

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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.