Home / 39,915.33-55,082.34-22,010.82

Finding the Fourth Proportional to 39,915.33, 55,082.34 and 22,010.82

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Solution

The fourth proportional to 39,915.33, 55,082.34 and 22,010.82 is: 30,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.33 : 55,082.34 = 22,010.82 : x
  2. Step 2: Convert to fraction form
    39,915.33/55,082.34 = 22,010.82/x
  3. Step 3: Cross multiply
    39,915.33x = 55,082.34 × 22,010.82
  4. Step 4: Simplify right side
    39,915.33x = 1,212,407,470.92
  5. Step 5: Solve for x
    x = 1,212,407,470.92/39,915.33
  6. Step 6: Final answer
    x = 30,374.48

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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.