Home / 55,155.54-76,072.94-38,188.19

Finding the Fourth Proportional to 55,155.54, 76,072.94 and 38,188.19

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Solution

The fourth proportional to 55,155.54, 76,072.94 and 38,188.19 is: 52,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,155.54 : 76,072.94 = 38,188.19 : x
  2. Step 2: Convert to fraction form
    55,155.54/76,072.94 = 38,188.19/x
  3. Step 3: Cross multiply
    55,155.54x = 76,072.94 × 38,188.19
  4. Step 4: Simplify right side
    55,155.54x = 2,905,087,601.68
  5. Step 5: Solve for x
    x = 2,905,087,601.68/55,155.54
  6. Step 6: Final answer
    x = 52,670.82

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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.