Home / 39,471.78-59,208.20-13,176.53

Finding the Fourth Proportional to 39,471.78, 59,208.20 and 13,176.53

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Solution

The fourth proportional to 39,471.78, 59,208.20 and 13,176.53 is: 19,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.78 : 59,208.20 = 13,176.53 : x
  2. Step 2: Convert to fraction form
    39,471.78/59,208.20 = 13,176.53/x
  3. Step 3: Cross multiply
    39,471.78x = 59,208.20 × 13,176.53
  4. Step 4: Simplify right side
    39,471.78x = 780,158,261.62
  5. Step 5: Solve for x
    x = 780,158,261.62/39,471.78
  6. Step 6: Final answer
    x = 19,764.96

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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.