Home / 39,102.22-53,961.24-21,197.20

Finding the Fourth Proportional to 39,102.22, 53,961.24 and 21,197.20

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Solution

The fourth proportional to 39,102.22, 53,961.24 and 21,197.20 is: 29,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.22 : 53,961.24 = 21,197.20 : x
  2. Step 2: Convert to fraction form
    39,102.22/53,961.24 = 21,197.20/x
  3. Step 3: Cross multiply
    39,102.22x = 53,961.24 × 21,197.20
  4. Step 4: Simplify right side
    39,102.22x = 1,143,827,196.53
  5. Step 5: Solve for x
    x = 1,143,827,196.53/39,102.22
  6. Step 6: Final answer
    x = 29,252.23

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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.