Home / 30,589.20-42,233.40-23,502.96

Finding the Fourth Proportional to 30,589.20, 42,233.40 and 23,502.96

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Solution

The fourth proportional to 30,589.20, 42,233.40 and 23,502.96 is: 32,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.20 : 42,233.40 = 23,502.96 : x
  2. Step 2: Convert to fraction form
    30,589.20/42,233.40 = 23,502.96/x
  3. Step 3: Cross multiply
    30,589.20x = 42,233.40 × 23,502.96
  4. Step 4: Simplify right side
    30,589.20x = 992,609,910.86
  5. Step 5: Solve for x
    x = 992,609,910.86/30,589.20
  6. Step 6: Final answer
    x = 32,449.69

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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.