Home / 39,832.67-54,970.24-21,684.58

Finding the Fourth Proportional to 39,832.67, 54,970.24 and 21,684.58

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Solution

The fourth proportional to 39,832.67, 54,970.24 and 21,684.58 is: 29,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.67 : 54,970.24 = 21,684.58 : x
  2. Step 2: Convert to fraction form
    39,832.67/54,970.24 = 21,684.58/x
  3. Step 3: Cross multiply
    39,832.67x = 54,970.24 × 21,684.58
  4. Step 4: Simplify right side
    39,832.67x = 1,192,006,375.26
  5. Step 5: Solve for x
    x = 1,192,006,375.26/39,832.67
  6. Step 6: Final answer
    x = 29,925.34

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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.