Home / 40,860.39-61,288.92-11,277.47

Finding the Fourth Proportional to 40,860.39, 61,288.92 and 11,277.47

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Solution

The fourth proportional to 40,860.39, 61,288.92 and 11,277.47 is: 16,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.39 : 61,288.92 = 11,277.47 : x
  2. Step 2: Convert to fraction form
    40,860.39/61,288.92 = 11,277.47/x
  3. Step 3: Cross multiply
    40,860.39x = 61,288.92 × 11,277.47
  4. Step 4: Simplify right side
    40,860.39x = 691,183,650.19
  5. Step 5: Solve for x
    x = 691,183,650.19/40,860.39
  6. Step 6: Final answer
    x = 16,915.74

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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.