Home / 31,699.64-43,743.89-17,359.61

Finding the Fourth Proportional to 31,699.64, 43,743.89 and 17,359.61

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Solution

The fourth proportional to 31,699.64, 43,743.89 and 17,359.61 is: 23,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.64 : 43,743.89 = 17,359.61 : x
  2. Step 2: Convert to fraction form
    31,699.64/43,743.89 = 17,359.61/x
  3. Step 3: Cross multiply
    31,699.64x = 43,743.89 × 17,359.61
  4. Step 4: Simplify right side
    31,699.64x = 759,376,564.77
  5. Step 5: Solve for x
    x = 759,376,564.77/31,699.64
  6. Step 6: Final answer
    x = 23,955.37

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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.