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Finding the Fourth Proportional to 71,355.81, 107,033.97 and 23,969.55

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Solution

The fourth proportional to 71,355.81, 107,033.97 and 23,969.55 is: 35,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,355.81 : 107,033.97 = 23,969.55 : x
  2. Step 2: Convert to fraction form
    71,355.81/107,033.97 = 23,969.55/x
  3. Step 3: Cross multiply
    71,355.81x = 107,033.97 × 23,969.55
  4. Step 4: Simplify right side
    71,355.81x = 2,565,556,095.61
  5. Step 5: Solve for x
    x = 2,565,556,095.61/71,355.81
  6. Step 6: Final answer
    x = 35,954.41

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1.5x scale

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.