Home / 30,529.86-45,799.38-10,808.61

Finding the Fourth Proportional to 30,529.86, 45,799.38 and 10,808.61

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Solution

The fourth proportional to 30,529.86, 45,799.38 and 10,808.61 is: 16,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.86 : 45,799.38 = 10,808.61 : x
  2. Step 2: Convert to fraction form
    30,529.86/45,799.38 = 10,808.61/x
  3. Step 3: Cross multiply
    30,529.86x = 45,799.38 × 10,808.61
  4. Step 4: Simplify right side
    30,529.86x = 495,027,636.66
  5. Step 5: Solve for x
    x = 495,027,636.66/30,529.86
  6. Step 6: Final answer
    x = 16,214.54

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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.