Home / 31,489.83-43,455.89-17,342.67

Finding the Fourth Proportional to 31,489.83, 43,455.89 and 17,342.67

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Solution

The fourth proportional to 31,489.83, 43,455.89 and 17,342.67 is: 23,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.83 : 43,455.89 = 17,342.67 : x
  2. Step 2: Convert to fraction form
    31,489.83/43,455.89 = 17,342.67/x
  3. Step 3: Cross multiply
    31,489.83x = 43,455.89 × 17,342.67
  4. Step 4: Simplify right side
    31,489.83x = 753,641,073.11
  5. Step 5: Solve for x
    x = 753,641,073.11/31,489.83
  6. Step 6: Final answer
    x = 23,932.84

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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.