Home / 30,402.30-45,565.38-16,327.74

Finding the Fourth Proportional to 30,402.30, 45,565.38 and 16,327.74

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Solution

The fourth proportional to 30,402.30, 45,565.38 and 16,327.74 is: 24,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.30 : 45,565.38 = 16,327.74 : x
  2. Step 2: Convert to fraction form
    30,402.30/45,565.38 = 16,327.74/x
  3. Step 3: Cross multiply
    30,402.30x = 45,565.38 × 16,327.74
  4. Step 4: Simplify right side
    30,402.30x = 743,979,596.00
  5. Step 5: Solve for x
    x = 743,979,596.00/30,402.30
  6. Step 6: Final answer
    x = 24,471.16

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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.