Home / 40,815.60-61,212.06-11,226.30

Finding the Fourth Proportional to 40,815.60, 61,212.06 and 11,226.30

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Solution

The fourth proportional to 40,815.60, 61,212.06 and 11,226.30 is: 16,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.60 : 61,212.06 = 11,226.30 : x
  2. Step 2: Convert to fraction form
    40,815.60/61,212.06 = 11,226.30/x
  3. Step 3: Cross multiply
    40,815.60x = 61,212.06 × 11,226.30
  4. Step 4: Simplify right side
    40,815.60x = 687,184,949.18
  5. Step 5: Solve for x
    x = 687,184,949.18/40,815.60
  6. Step 6: Final answer
    x = 16,836.33

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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.