Home / 69,940.68-96,518.08-38,109.84

Finding the Fourth Proportional to 69,940.68, 96,518.08 and 38,109.84

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Solution

The fourth proportional to 69,940.68, 96,518.08 and 38,109.84 is: 52,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,940.68 : 96,518.08 = 38,109.84 : x
  2. Step 2: Convert to fraction form
    69,940.68/96,518.08 = 38,109.84/x
  3. Step 3: Cross multiply
    69,940.68x = 96,518.08 × 38,109.84
  4. Step 4: Simplify right side
    69,940.68x = 3,678,288,585.91
  5. Step 5: Solve for x
    x = 3,678,288,585.91/69,940.68
  6. Step 6: Final answer
    x = 52,591.55

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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.