Home / 49,383.90-68,149.28-26,722.40

Finding the Fourth Proportional to 49,383.90, 68,149.28 and 26,722.40

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Solution

The fourth proportional to 49,383.90, 68,149.28 and 26,722.40 is: 36,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,383.90 : 68,149.28 = 26,722.40 : x
  2. Step 2: Convert to fraction form
    49,383.90/68,149.28 = 26,722.40/x
  3. Step 3: Cross multiply
    49,383.90x = 68,149.28 × 26,722.40
  4. Step 4: Simplify right side
    49,383.90x = 1,821,112,319.87
  5. Step 5: Solve for x
    x = 1,821,112,319.87/49,383.90
  6. Step 6: Final answer
    x = 36,876.64

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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.