Home / 30,316.62-45,488.16-10,609.32

Finding the Fourth Proportional to 30,316.62, 45,488.16 and 10,609.32

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Solution

The fourth proportional to 30,316.62, 45,488.16 and 10,609.32 is: 15,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.62 : 45,488.16 = 10,609.32 : x
  2. Step 2: Convert to fraction form
    30,316.62/45,488.16 = 10,609.32/x
  3. Step 3: Cross multiply
    30,316.62x = 45,488.16 × 10,609.32
  4. Step 4: Simplify right side
    30,316.62x = 482,598,445.65
  5. Step 5: Solve for x
    x = 482,598,445.65/30,316.62
  6. Step 6: Final answer
    x = 15,918.61

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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.