Home / 55,736.78-76,928.48-35,590.15

Finding the Fourth Proportional to 55,736.78, 76,928.48 and 35,590.15

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Solution

The fourth proportional to 55,736.78, 76,928.48 and 35,590.15 is: 49,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.78 : 76,928.48 = 35,590.15 : x
  2. Step 2: Convert to fraction form
    55,736.78/76,928.48 = 35,590.15/x
  3. Step 3: Cross multiply
    55,736.78x = 76,928.48 × 35,590.15
  4. Step 4: Simplify right side
    55,736.78x = 2,737,896,394.34
  5. Step 5: Solve for x
    x = 2,737,896,394.34/55,736.78
  6. Step 6: Final answer
    x = 49,121.90

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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.