Home / 31,446.90-43,396.02-18,026.07

Finding the Fourth Proportional to 31,446.90, 43,396.02 and 18,026.07

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Solution

The fourth proportional to 31,446.90, 43,396.02 and 18,026.07 is: 24,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.90 : 43,396.02 = 18,026.07 : x
  2. Step 2: Convert to fraction form
    31,446.90/43,396.02 = 18,026.07/x
  3. Step 3: Cross multiply
    31,446.90x = 43,396.02 × 18,026.07
  4. Step 4: Simplify right side
    31,446.90x = 782,259,694.24
  5. Step 5: Solve for x
    x = 782,259,694.24/31,446.90
  6. Step 6: Final answer
    x = 24,875.57

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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.