Home / 39,396.76-54,376.86-22,639.48

Finding the Fourth Proportional to 39,396.76, 54,376.86 and 22,639.48

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Solution

The fourth proportional to 39,396.76, 54,376.86 and 22,639.48 is: 31,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,396.76 : 54,376.86 = 22,639.48 : x
  2. Step 2: Convert to fraction form
    39,396.76/54,376.86 = 22,639.48/x
  3. Step 3: Cross multiply
    39,396.76x = 54,376.86 × 22,639.48
  4. Step 4: Simplify right side
    39,396.76x = 1,231,063,834.43
  5. Step 5: Solve for x
    x = 1,231,063,834.43/39,396.76
  6. Step 6: Final answer
    x = 31,247.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.