Home / 40,557.78-60,836.58-10,976.40

Finding the Fourth Proportional to 40,557.78, 60,836.58 and 10,976.40

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Solution

The fourth proportional to 40,557.78, 60,836.58 and 10,976.40 is: 16,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,557.78 : 60,836.58 = 10,976.40 : x
  2. Step 2: Convert to fraction form
    40,557.78/60,836.58 = 10,976.40/x
  3. Step 3: Cross multiply
    40,557.78x = 60,836.58 × 10,976.40
  4. Step 4: Simplify right side
    40,557.78x = 667,766,636.71
  5. Step 5: Solve for x
    x = 667,766,636.71/40,557.78
  6. Step 6: Final answer
    x = 16,464.58

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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.