Home / 39,573.10-54,610.88-21,669.22

Finding the Fourth Proportional to 39,573.10, 54,610.88 and 21,669.22

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Solution

The fourth proportional to 39,573.10, 54,610.88 and 21,669.22 is: 29,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.10 : 54,610.88 = 21,669.22 : x
  2. Step 2: Convert to fraction form
    39,573.10/54,610.88 = 21,669.22/x
  3. Step 3: Cross multiply
    39,573.10x = 54,610.88 × 21,669.22
  4. Step 4: Simplify right side
    39,573.10x = 1,183,375,173.11
  5. Step 5: Solve for x
    x = 1,183,375,173.11/39,573.10
  6. Step 6: Final answer
    x = 29,903.52

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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.