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Finding the Fourth Proportional to 30,293, 45,441.12 and 9,518.12

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Solution

The fourth proportional to 30,293, 45,441.12 and 9,518.12 is: 14,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293 : 45,441.12 = 9,518.12 : x
  2. Step 2: Convert to fraction form
    30,293/45,441.12 = 9,518.12/x
  3. Step 3: Cross multiply
    30,293x = 45,441.12 × 9,518.12
  4. Step 4: Simplify right side
    30,293x = 432,514,033.09
  5. Step 5: Solve for x
    x = 432,514,033.09/30,293
  6. Step 6: Final answer
    x = 14,277.69

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Double scale
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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.