Home / 39,116.03-58,678.62-12,452.68

Finding the Fourth Proportional to 39,116.03, 58,678.62 and 12,452.68

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Solution

The fourth proportional to 39,116.03, 58,678.62 and 12,452.68 is: 18,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.03 : 58,678.62 = 12,452.68 : x
  2. Step 2: Convert to fraction form
    39,116.03/58,678.62 = 12,452.68/x
  3. Step 3: Cross multiply
    39,116.03x = 58,678.62 × 12,452.68
  4. Step 4: Simplify right side
    39,116.03x = 730,706,077.70
  5. Step 5: Solve for x
    x = 730,706,077.70/39,116.03
  6. Step 6: Final answer
    x = 18,680.48

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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.