Home / 31,837.28-43,935.96-18,411.56

Finding the Fourth Proportional to 31,837.28, 43,935.96 and 18,411.56

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Solution

The fourth proportional to 31,837.28, 43,935.96 and 18,411.56 is: 25,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.28 : 43,935.96 = 18,411.56 : x
  2. Step 2: Convert to fraction form
    31,837.28/43,935.96 = 18,411.56/x
  3. Step 3: Cross multiply
    31,837.28x = 43,935.96 × 18,411.56
  4. Step 4: Simplify right side
    31,837.28x = 808,929,563.70
  5. Step 5: Solve for x
    x = 808,929,563.70/31,837.28
  6. Step 6: Final answer
    x = 25,408.25

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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.