Home / 39,101.46-58,646.25-12,805.62

Finding the Fourth Proportional to 39,101.46, 58,646.25 and 12,805.62

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Solution

The fourth proportional to 39,101.46, 58,646.25 and 12,805.62 is: 19,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101.46 : 58,646.25 = 12,805.62 : x
  2. Step 2: Convert to fraction form
    39,101.46/58,646.25 = 12,805.62/x
  3. Step 3: Cross multiply
    39,101.46x = 58,646.25 × 12,805.62
  4. Step 4: Simplify right side
    39,101.46x = 751,001,591.93
  5. Step 5: Solve for x
    x = 751,001,591.93/39,101.46
  6. Step 6: Final answer
    x = 19,206.48

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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.