Home / 45,459.24-68,218.20-19,164.12

Finding the Fourth Proportional to 45,459.24, 68,218.20 and 19,164.12

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Solution

The fourth proportional to 45,459.24, 68,218.20 and 19,164.12 is: 28,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.24 : 68,218.20 = 19,164.12 : x
  2. Step 2: Convert to fraction form
    45,459.24/68,218.20 = 19,164.12/x
  3. Step 3: Cross multiply
    45,459.24x = 68,218.20 × 19,164.12
  4. Step 4: Simplify right side
    45,459.24x = 1,307,341,770.98
  5. Step 5: Solve for x
    x = 1,307,341,770.98/45,459.24
  6. Step 6: Final answer
    x = 28,758.55

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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.