Home / 39,915.62-55,080.44-22,010.54

Finding the Fourth Proportional to 39,915.62, 55,080.44 and 22,010.54

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Solution

The fourth proportional to 39,915.62, 55,080.44 and 22,010.54 is: 30,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.62 : 55,080.44 = 22,010.54 : x
  2. Step 2: Convert to fraction form
    39,915.62/55,080.44 = 22,010.54/x
  3. Step 3: Cross multiply
    39,915.62x = 55,080.44 × 22,010.54
  4. Step 4: Simplify right side
    39,915.62x = 1,212,349,897.41
  5. Step 5: Solve for x
    x = 1,212,349,897.41/39,915.62
  6. Step 6: Final answer
    x = 30,372.82

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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.