Home / 39,915.24-55,079.92-22,010.16

Finding the Fourth Proportional to 39,915.24, 55,079.92 and 22,010.16

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Solution

The fourth proportional to 39,915.24, 55,079.92 and 22,010.16 is: 30,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.24 : 55,079.92 = 22,010.16 : x
  2. Step 2: Convert to fraction form
    39,915.24/55,079.92 = 22,010.16/x
  3. Step 3: Cross multiply
    39,915.24x = 55,079.92 × 22,010.16
  4. Step 4: Simplify right side
    39,915.24x = 1,212,317,851.99
  5. Step 5: Solve for x
    x = 1,212,317,851.99/39,915.24
  6. Step 6: Final answer
    x = 30,372.31

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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.