Home / 30,349.10-45,512.06-9,282.70

Finding the Fourth Proportional to 30,349.10, 45,512.06 and 9,282.70

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Solution

The fourth proportional to 30,349.10, 45,512.06 and 9,282.70 is: 13,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.10 : 45,512.06 = 9,282.70 : x
  2. Step 2: Convert to fraction form
    30,349.10/45,512.06 = 9,282.70/x
  3. Step 3: Cross multiply
    30,349.10x = 45,512.06 × 9,282.70
  4. Step 4: Simplify right side
    30,349.10x = 422,474,799.36
  5. Step 5: Solve for x
    x = 422,474,799.36/30,349.10
  6. Step 6: Final answer
    x = 13,920.51

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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.