Home / 69,939.67-96,513.73-39,724.90

Finding the Fourth Proportional to 69,939.67, 96,513.73 and 39,724.90

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Solution

The fourth proportional to 69,939.67, 96,513.73 and 39,724.90 is: 54,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.67 : 96,513.73 = 39,724.90 : x
  2. Step 2: Convert to fraction form
    69,939.67/96,513.73 = 39,724.90/x
  3. Step 3: Cross multiply
    69,939.67x = 96,513.73 × 39,724.90
  4. Step 4: Simplify right side
    69,939.67x = 3,833,997,932.28
  5. Step 5: Solve for x
    x = 3,833,997,932.28/69,939.67
  6. Step 6: Final answer
    x = 54,818.65

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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.