Home / 39,455.41-54,441.24-22,458.66

Finding the Fourth Proportional to 39,455.41, 54,441.24 and 22,458.66

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Solution

The fourth proportional to 39,455.41, 54,441.24 and 22,458.66 is: 30,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.41 : 54,441.24 = 22,458.66 : x
  2. Step 2: Convert to fraction form
    39,455.41/54,441.24 = 22,458.66/x
  3. Step 3: Cross multiply
    39,455.41x = 54,441.24 × 22,458.66
  4. Step 4: Simplify right side
    39,455.41x = 1,222,677,299.14
  5. Step 5: Solve for x
    x = 1,222,677,299.14/39,455.41
  6. Step 6: Final answer
    x = 30,988.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.