Home / 69,337.09-95,678.17-40,255.39

Finding the Fourth Proportional to 69,337.09, 95,678.17 and 40,255.39

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Solution

The fourth proportional to 69,337.09, 95,678.17 and 40,255.39 is: 55,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.09 : 95,678.17 = 40,255.39 : x
  2. Step 2: Convert to fraction form
    69,337.09/95,678.17 = 40,255.39/x
  3. Step 3: Cross multiply
    69,337.09x = 95,678.17 × 40,255.39
  4. Step 4: Simplify right side
    69,337.09x = 3,851,562,047.84
  5. Step 5: Solve for x
    x = 3,851,562,047.84/69,337.09
  6. Step 6: Final answer
    x = 55,548.37

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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.