Home / 39,742.62-59,613.69-10,160.40

Finding the Fourth Proportional to 39,742.62, 59,613.69 and 10,160.40

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Solution

The fourth proportional to 39,742.62, 59,613.69 and 10,160.40 is: 15,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,742.62 : 59,613.69 = 10,160.40 : x
  2. Step 2: Convert to fraction form
    39,742.62/59,613.69 = 10,160.40/x
  3. Step 3: Cross multiply
    39,742.62x = 59,613.69 × 10,160.40
  4. Step 4: Simplify right side
    39,742.62x = 605,698,935.88
  5. Step 5: Solve for x
    x = 605,698,935.88/39,742.62
  6. Step 6: Final answer
    x = 15,240.54

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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.