Home / 39,358.48-59,055.15-20,634.04

Finding the Fourth Proportional to 39,358.48, 59,055.15 and 20,634.04

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Solution

The fourth proportional to 39,358.48, 59,055.15 and 20,634.04 is: 30,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.48 : 59,055.15 = 20,634.04 : x
  2. Step 2: Convert to fraction form
    39,358.48/59,055.15 = 20,634.04/x
  3. Step 3: Cross multiply
    39,358.48x = 59,055.15 × 20,634.04
  4. Step 4: Simplify right side
    39,358.48x = 1,218,546,420.47
  5. Step 5: Solve for x
    x = 1,218,546,420.47/39,358.48
  6. Step 6: Final answer
    x = 30,960.20

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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.