Home / 39,768.32-54,880.38-22,772.82

Finding the Fourth Proportional to 39,768.32, 54,880.38 and 22,772.82

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Solution

The fourth proportional to 39,768.32, 54,880.38 and 22,772.82 is: 31,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.32 : 54,880.38 = 22,772.82 : x
  2. Step 2: Convert to fraction form
    39,768.32/54,880.38 = 22,772.82/x
  3. Step 3: Cross multiply
    39,768.32x = 54,880.38 × 22,772.82
  4. Step 4: Simplify right side
    39,768.32x = 1,249,781,015.27
  5. Step 5: Solve for x
    x = 1,249,781,015.27/39,768.32
  6. Step 6: Final answer
    x = 31,426.55

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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.