Home / 31,352.74-43,269.82-17,921.45

Finding the Fourth Proportional to 31,352.74, 43,269.82 and 17,921.45

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Solution

The fourth proportional to 31,352.74, 43,269.82 and 17,921.45 is: 24,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.74 : 43,269.82 = 17,921.45 : x
  2. Step 2: Convert to fraction form
    31,352.74/43,269.82 = 17,921.45/x
  3. Step 3: Cross multiply
    31,352.74x = 43,269.82 × 17,921.45
  4. Step 4: Simplify right side
    31,352.74x = 775,457,979.01
  5. Step 5: Solve for x
    x = 775,457,979.01/31,352.74
  6. Step 6: Final answer
    x = 24,733.34

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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.