Home / 39,747.36-54,848.16-22,981.44

Finding the Fourth Proportional to 39,747.36, 54,848.16 and 22,981.44

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Solution

The fourth proportional to 39,747.36, 54,848.16 and 22,981.44 is: 31,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.36 : 54,848.16 = 22,981.44 : x
  2. Step 2: Convert to fraction form
    39,747.36/54,848.16 = 22,981.44/x
  3. Step 3: Cross multiply
    39,747.36x = 54,848.16 × 22,981.44
  4. Step 4: Simplify right side
    39,747.36x = 1,260,489,698.15
  5. Step 5: Solve for x
    x = 1,260,489,698.15/39,747.36
  6. Step 6: Final answer
    x = 31,712.54

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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.