Home / 30,068.82-45,091.23-9,286.74

Finding the Fourth Proportional to 30,068.82, 45,091.23 and 9,286.74

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Solution

The fourth proportional to 30,068.82, 45,091.23 and 9,286.74 is: 13,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.82 : 45,091.23 = 9,286.74 : x
  2. Step 2: Convert to fraction form
    30,068.82/45,091.23 = 9,286.74/x
  3. Step 3: Cross multiply
    30,068.82x = 45,091.23 × 9,286.74
  4. Step 4: Simplify right side
    30,068.82x = 418,750,529.29
  5. Step 5: Solve for x
    x = 418,750,529.29/30,068.82
  6. Step 6: Final answer
    x = 13,926.40

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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.