Home / 30,217.61-45,310.84-13,563.36

Finding the Fourth Proportional to 30,217.61, 45,310.84 and 13,563.36

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Solution

The fourth proportional to 30,217.61, 45,310.84 and 13,563.36 is: 20,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.61 : 45,310.84 = 13,563.36 : x
  2. Step 2: Convert to fraction form
    30,217.61/45,310.84 = 13,563.36/x
  3. Step 3: Cross multiply
    30,217.61x = 45,310.84 × 13,563.36
  4. Step 4: Simplify right side
    30,217.61x = 614,567,234.82
  5. Step 5: Solve for x
    x = 614,567,234.82/30,217.61
  6. Step 6: Final answer
    x = 20,338.05

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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.