Home / 45,016.96-67,482.16-30,230

Finding the Fourth Proportional to 45,016.96, 67,482.16 and 30,230

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Solution

The fourth proportional to 45,016.96, 67,482.16 and 30,230 is: 45,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.96 : 67,482.16 = 30,230 : x
  2. Step 2: Convert to fraction form
    45,016.96/67,482.16 = 30,230/x
  3. Step 3: Cross multiply
    45,016.96x = 67,482.16 × 30,230
  4. Step 4: Simplify right side
    45,016.96x = 2,039,985,696.80
  5. Step 5: Solve for x
    x = 2,039,985,696.80/45,016.96
  6. Step 6: Final answer
    x = 45,315.94

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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.