Home / 61,140.18-84,374.34-35,645.85

Finding the Fourth Proportional to 61,140.18, 84,374.34 and 35,645.85

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Solution

The fourth proportional to 61,140.18, 84,374.34 and 35,645.85 is: 49,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.18 : 84,374.34 = 35,645.85 : x
  2. Step 2: Convert to fraction form
    61,140.18/84,374.34 = 35,645.85/x
  3. Step 3: Cross multiply
    61,140.18x = 84,374.34 × 35,645.85
  4. Step 4: Simplify right side
    61,140.18x = 3,007,595,067.49
  5. Step 5: Solve for x
    x = 3,007,595,067.49/61,140.18
  6. Step 6: Final answer
    x = 49,191.79

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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.