Home / 40,906.54-61,326.64-18,400.74

Finding the Fourth Proportional to 40,906.54, 61,326.64 and 18,400.74

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Solution

The fourth proportional to 40,906.54, 61,326.64 and 18,400.74 is: 27,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.54 : 61,326.64 = 18,400.74 : x
  2. Step 2: Convert to fraction form
    40,906.54/61,326.64 = 18,400.74/x
  3. Step 3: Cross multiply
    40,906.54x = 61,326.64 × 18,400.74
  4. Step 4: Simplify right side
    40,906.54x = 1,128,455,919.94
  5. Step 5: Solve for x
    x = 1,128,455,919.94/40,906.54
  6. Step 6: Final answer
    x = 27,586.20

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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.