Home / 55,761.95-76,950.20-30,268.35

Finding the Fourth Proportional to 55,761.95, 76,950.20 and 30,268.35

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Solution

The fourth proportional to 55,761.95, 76,950.20 and 30,268.35 is: 41,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,761.95 : 76,950.20 = 30,268.35 : x
  2. Step 2: Convert to fraction form
    55,761.95/76,950.20 = 30,268.35/x
  3. Step 3: Cross multiply
    55,761.95x = 76,950.20 × 30,268.35
  4. Step 4: Simplify right side
    55,761.95x = 2,329,155,661.84
  5. Step 5: Solve for x
    x = 2,329,155,661.84/55,761.95
  6. Step 6: Final answer
    x = 41,769.62

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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.