Home / 73,280.33-109,920.18-31,153.85

Finding the Fourth Proportional to 73,280.33, 109,920.18 and 31,153.85

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Solution

The fourth proportional to 73,280.33, 109,920.18 and 31,153.85 is: 46,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,280.33 : 109,920.18 = 31,153.85 : x
  2. Step 2: Convert to fraction form
    73,280.33/109,920.18 = 31,153.85/x
  3. Step 3: Cross multiply
    73,280.33x = 109,920.18 × 31,153.85
  4. Step 4: Simplify right side
    73,280.33x = 3,424,436,250.09
  5. Step 5: Solve for x
    x = 3,424,436,250.09/73,280.33
  6. Step 6: Final answer
    x = 46,730.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.