Home / 40,730.45-61,091.16-10,747.73

Finding the Fourth Proportional to 40,730.45, 61,091.16 and 10,747.73

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Solution

The fourth proportional to 40,730.45, 61,091.16 and 10,747.73 is: 16,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.45 : 61,091.16 = 10,747.73 : x
  2. Step 2: Convert to fraction form
    40,730.45/61,091.16 = 10,747.73/x
  3. Step 3: Cross multiply
    40,730.45x = 61,091.16 × 10,747.73
  4. Step 4: Simplify right side
    40,730.45x = 656,590,987.61
  5. Step 5: Solve for x
    x = 656,590,987.61/40,730.45
  6. Step 6: Final answer
    x = 16,120.40

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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.