Home / 41,719.95-57,558.87-28,969.74

Finding the Fourth Proportional to 41,719.95, 57,558.87 and 28,969.74

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Solution

The fourth proportional to 41,719.95, 57,558.87 and 28,969.74 is: 39,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,719.95 : 57,558.87 = 28,969.74 : x
  2. Step 2: Convert to fraction form
    41,719.95/57,558.87 = 28,969.74/x
  3. Step 3: Cross multiply
    41,719.95x = 57,558.87 × 28,969.74
  4. Step 4: Simplify right side
    41,719.95x = 1,667,465,498.59
  5. Step 5: Solve for x
    x = 1,667,465,498.59/41,719.95
  6. Step 6: Final answer
    x = 39,968.06

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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.