Home / 30,310.06-45,464.98-13,650.58

Finding the Fourth Proportional to 30,310.06, 45,464.98 and 13,650.58

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Solution

The fourth proportional to 30,310.06, 45,464.98 and 13,650.58 is: 20,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.06 : 45,464.98 = 13,650.58 : x
  2. Step 2: Convert to fraction form
    30,310.06/45,464.98 = 13,650.58/x
  3. Step 3: Cross multiply
    30,310.06x = 45,464.98 × 13,650.58
  4. Step 4: Simplify right side
    30,310.06x = 620,623,346.69
  5. Step 5: Solve for x
    x = 620,623,346.69/30,310.06
  6. Step 6: Final answer
    x = 20,475.82

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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.