Home / 30,072.84-45,112.29-10,348.80

Finding the Fourth Proportional to 30,072.84, 45,112.29 and 10,348.80

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Solution

The fourth proportional to 30,072.84, 45,112.29 and 10,348.80 is: 15,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.84 : 45,112.29 = 10,348.80 : x
  2. Step 2: Convert to fraction form
    30,072.84/45,112.29 = 10,348.80/x
  3. Step 3: Cross multiply
    30,072.84x = 45,112.29 × 10,348.80
  4. Step 4: Simplify right side
    30,072.84x = 466,858,066.75
  5. Step 5: Solve for x
    x = 466,858,066.75/30,072.84
  6. Step 6: Final answer
    x = 15,524.24

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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.