Home / 31,361.64-43,278.90-17,214.18

Finding the Fourth Proportional to 31,361.64, 43,278.90 and 17,214.18

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Solution

The fourth proportional to 31,361.64, 43,278.90 and 17,214.18 is: 23,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.64 : 43,278.90 = 17,214.18 : x
  2. Step 2: Convert to fraction form
    31,361.64/43,278.90 = 17,214.18/x
  3. Step 3: Cross multiply
    31,361.64x = 43,278.90 × 17,214.18
  4. Step 4: Simplify right side
    31,361.64x = 745,010,774.80
  5. Step 5: Solve for x
    x = 745,010,774.80/31,361.64
  6. Step 6: Final answer
    x = 23,755.48

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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.