Home / 31,403.22-43,337.19-17,256.43

Finding the Fourth Proportional to 31,403.22, 43,337.19 and 17,256.43

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Solution

The fourth proportional to 31,403.22, 43,337.19 and 17,256.43 is: 23,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.22 : 43,337.19 = 17,256.43 : x
  2. Step 2: Convert to fraction form
    31,403.22/43,337.19 = 17,256.43/x
  3. Step 3: Cross multiply
    31,403.22x = 43,337.19 × 17,256.43
  4. Step 4: Simplify right side
    31,403.22x = 747,845,185.63
  5. Step 5: Solve for x
    x = 747,845,185.63/31,403.22
  6. Step 6: Final answer
    x = 23,814.28

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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.