Home / 31,420.70-43,359.46-17,273.44

Finding the Fourth Proportional to 31,420.70, 43,359.46 and 17,273.44

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Solution

The fourth proportional to 31,420.70, 43,359.46 and 17,273.44 is: 23,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.70 : 43,359.46 = 17,273.44 : x
  2. Step 2: Convert to fraction form
    31,420.70/43,359.46 = 17,273.44/x
  3. Step 3: Cross multiply
    31,420.70x = 43,359.46 × 17,273.44
  4. Step 4: Simplify right side
    31,420.70x = 748,967,030.74
  5. Step 5: Solve for x
    x = 748,967,030.74/31,420.70
  6. Step 6: Final answer
    x = 23,836.74

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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.