Home / 38,682.12-53,388.54-22,765.80

Finding the Fourth Proportional to 38,682.12, 53,388.54 and 22,765.80

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Solution

The fourth proportional to 38,682.12, 53,388.54 and 22,765.80 is: 31,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.12 : 53,388.54 = 22,765.80 : x
  2. Step 2: Convert to fraction form
    38,682.12/53,388.54 = 22,765.80/x
  3. Step 3: Cross multiply
    38,682.12x = 53,388.54 × 22,765.80
  4. Step 4: Simplify right side
    38,682.12x = 1,215,432,823.93
  5. Step 5: Solve for x
    x = 1,215,432,823.93/38,682.12
  6. Step 6: Final answer
    x = 31,421.05

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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.