Home / 69,336.09-95,676.80-40,254.39

Finding the Fourth Proportional to 69,336.09, 95,676.80 and 40,254.39

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Solution

The fourth proportional to 69,336.09, 95,676.80 and 40,254.39 is: 55,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,336.09 : 95,676.80 = 40,254.39 : x
  2. Step 2: Convert to fraction form
    69,336.09/95,676.80 = 40,254.39/x
  3. Step 3: Cross multiply
    69,336.09x = 95,676.80 × 40,254.39
  4. Step 4: Simplify right side
    69,336.09x = 3,851,411,019.88
  5. Step 5: Solve for x
    x = 3,851,411,019.88/69,336.09
  6. Step 6: Final answer
    x = 55,546.99

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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.