Home / 39,600.02-54,648.22-21,695.04

Finding the Fourth Proportional to 39,600.02, 54,648.22 and 21,695.04

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Solution

The fourth proportional to 39,600.02, 54,648.22 and 21,695.04 is: 29,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600.02 : 54,648.22 = 21,695.04 : x
  2. Step 2: Convert to fraction form
    39,600.02/54,648.22 = 21,695.04/x
  3. Step 3: Cross multiply
    39,600.02x = 54,648.22 × 21,695.04
  4. Step 4: Simplify right side
    39,600.02x = 1,185,595,318.83
  5. Step 5: Solve for x
    x = 1,185,595,318.83/39,600.02
  6. Step 6: Final answer
    x = 29,939.26

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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.