Home / 69,084.86-95,336.08-38,870.22

Finding the Fourth Proportional to 69,084.86, 95,336.08 and 38,870.22

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Solution

The fourth proportional to 69,084.86, 95,336.08 and 38,870.22 is: 53,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,084.86 : 95,336.08 = 38,870.22 : x
  2. Step 2: Convert to fraction form
    69,084.86/95,336.08 = 38,870.22/x
  3. Step 3: Cross multiply
    69,084.86x = 95,336.08 × 38,870.22
  4. Step 4: Simplify right side
    69,084.86x = 3,705,734,403.54
  5. Step 5: Solve for x
    x = 3,705,734,403.54/69,084.86
  6. Step 6: Final answer
    x = 53,640.33

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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.