Home / 31,455.56-43,408.98-17,308.71

Finding the Fourth Proportional to 31,455.56, 43,408.98 and 17,308.71

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Solution

The fourth proportional to 31,455.56, 43,408.98 and 17,308.71 is: 23,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.56 : 43,408.98 = 17,308.71 : x
  2. Step 2: Convert to fraction form
    31,455.56/43,408.98 = 17,308.71/x
  3. Step 3: Cross multiply
    31,455.56x = 43,408.98 × 17,308.71
  4. Step 4: Simplify right side
    31,455.56x = 751,353,446.22
  5. Step 5: Solve for x
    x = 751,353,446.22/31,455.56
  6. Step 6: Final answer
    x = 23,886.19

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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.