Home / 41,911.47-57,790.58-30,560.94

Finding the Fourth Proportional to 41,911.47, 57,790.58 and 30,560.94

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Solution

The fourth proportional to 41,911.47, 57,790.58 and 30,560.94 is: 42,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,911.47 : 57,790.58 = 30,560.94 : x
  2. Step 2: Convert to fraction form
    41,911.47/57,790.58 = 30,560.94/x
  3. Step 3: Cross multiply
    41,911.47x = 57,790.58 × 30,560.94
  4. Step 4: Simplify right side
    41,911.47x = 1,766,134,447.95
  5. Step 5: Solve for x
    x = 1,766,134,447.95/41,911.47
  6. Step 6: Final answer
    x = 42,139.64

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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.