Home / 55,123.62-76,051.86-38,121.54

Finding the Fourth Proportional to 55,123.62, 76,051.86 and 38,121.54

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Solution

The fourth proportional to 55,123.62, 76,051.86 and 38,121.54 is: 52,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,123.62 : 76,051.86 = 38,121.54 : x
  2. Step 2: Convert to fraction form
    55,123.62/76,051.86 = 38,121.54/x
  3. Step 3: Cross multiply
    55,123.62x = 76,051.86 × 38,121.54
  4. Step 4: Simplify right side
    55,123.62x = 2,899,214,023.06
  5. Step 5: Solve for x
    x = 2,899,214,023.06/55,123.62
  6. Step 6: Final answer
    x = 52,594.77

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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.