Home / 69,331.86-95,677.98-39,123.60

Finding the Fourth Proportional to 69,331.86, 95,677.98 and 39,123.60

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Solution

The fourth proportional to 69,331.86, 95,677.98 and 39,123.60 is: 53,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331.86 : 95,677.98 = 39,123.60 : x
  2. Step 2: Convert to fraction form
    69,331.86/95,677.98 = 39,123.60/x
  3. Step 3: Cross multiply
    69,331.86x = 95,677.98 × 39,123.60
  4. Step 4: Simplify right side
    69,331.86x = 3,743,267,018.33
  5. Step 5: Solve for x
    x = 3,743,267,018.33/69,331.86
  6. Step 6: Final answer
    x = 53,990.58

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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.