Home / 39,447.15-59,171.25-13,151.91

Finding the Fourth Proportional to 39,447.15, 59,171.25 and 13,151.91

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Solution

The fourth proportional to 39,447.15, 59,171.25 and 13,151.91 is: 19,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,447.15 : 59,171.25 = 13,151.91 : x
  2. Step 2: Convert to fraction form
    39,447.15/59,171.25 = 13,151.91/x
  3. Step 3: Cross multiply
    39,447.15x = 59,171.25 × 13,151.91
  4. Step 4: Simplify right side
    39,447.15x = 778,214,716.27
  5. Step 5: Solve for x
    x = 778,214,716.27/39,447.15
  6. Step 6: Final answer
    x = 19,728.03

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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.