Home / 39,531.21-54,521.67-29,872.92

Finding the Fourth Proportional to 39,531.21, 54,521.67 and 29,872.92

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Solution

The fourth proportional to 39,531.21, 54,521.67 and 29,872.92 is: 41,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.21 : 54,521.67 = 29,872.92 : x
  2. Step 2: Convert to fraction form
    39,531.21/54,521.67 = 29,872.92/x
  3. Step 3: Cross multiply
    39,531.21x = 54,521.67 × 29,872.92
  4. Step 4: Simplify right side
    39,531.21x = 1,628,721,486.18
  5. Step 5: Solve for x
    x = 1,628,721,486.18/39,531.21
  6. Step 6: Final answer
    x = 41,200.90

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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.