Home / 31,370.56-43,294.82-17,943.07

Finding the Fourth Proportional to 31,370.56, 43,294.82 and 17,943.07

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Solution

The fourth proportional to 31,370.56, 43,294.82 and 17,943.07 is: 24,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.56 : 43,294.82 = 17,943.07 : x
  2. Step 2: Convert to fraction form
    31,370.56/43,294.82 = 17,943.07/x
  3. Step 3: Cross multiply
    31,370.56x = 43,294.82 × 17,943.07
  4. Step 4: Simplify right side
    31,370.56x = 776,841,985.90
  5. Step 5: Solve for x
    x = 776,841,985.90/31,370.56
  6. Step 6: Final answer
    x = 24,763.41

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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.