Home / 40,890.14-61,336.57-11,308.22

Finding the Fourth Proportional to 40,890.14, 61,336.57 and 11,308.22

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Solution

The fourth proportional to 40,890.14, 61,336.57 and 11,308.22 is: 16,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.14 : 61,336.57 = 11,308.22 : x
  2. Step 2: Convert to fraction form
    40,890.14/61,336.57 = 11,308.22/x
  3. Step 3: Cross multiply
    40,890.14x = 61,336.57 × 11,308.22
  4. Step 4: Simplify right side
    40,890.14x = 693,607,427.61
  5. Step 5: Solve for x
    x = 693,607,427.61/40,890.14
  6. Step 6: Final answer
    x = 16,962.71

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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.