Home / 60,805.26-83,912.64-38,145.18

Finding the Fourth Proportional to 60,805.26, 83,912.64 and 38,145.18

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Solution

The fourth proportional to 60,805.26, 83,912.64 and 38,145.18 is: 52,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,805.26 : 83,912.64 = 38,145.18 : x
  2. Step 2: Convert to fraction form
    60,805.26/83,912.64 = 38,145.18/x
  3. Step 3: Cross multiply
    60,805.26x = 83,912.64 × 38,145.18
  4. Step 4: Simplify right side
    60,805.26x = 3,200,862,757.08
  5. Step 5: Solve for x
    x = 3,200,862,757.08/60,805.26
  6. Step 6: Final answer
    x = 52,641.21

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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.