Home / 31,398.75-43,330.34-17,058.62

Finding the Fourth Proportional to 31,398.75, 43,330.34 and 17,058.62

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Solution

The fourth proportional to 31,398.75, 43,330.34 and 17,058.62 is: 23,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.75 : 43,330.34 = 17,058.62 : x
  2. Step 2: Convert to fraction form
    31,398.75/43,330.34 = 17,058.62/x
  3. Step 3: Cross multiply
    31,398.75x = 43,330.34 × 17,058.62
  4. Step 4: Simplify right side
    31,398.75x = 739,155,955.50
  5. Step 5: Solve for x
    x = 739,155,955.50/31,398.75
  6. Step 6: Final answer
    x = 23,540.94

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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.