Home / 39,061.60-58,662.80-34,223.20

Finding the Fourth Proportional to 39,061.60, 58,662.80 and 34,223.20

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Solution

The fourth proportional to 39,061.60, 58,662.80 and 34,223.20 is: 51,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,061.60 : 58,662.80 = 34,223.20 : x
  2. Step 2: Convert to fraction form
    39,061.60/58,662.80 = 34,223.20/x
  3. Step 3: Cross multiply
    39,061.60x = 58,662.80 × 34,223.20
  4. Step 4: Simplify right side
    39,061.60x = 2,007,628,736.96
  5. Step 5: Solve for x
    x = 2,007,628,736.96/39,061.60
  6. Step 6: Final answer
    x = 51,396.48

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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.