Home / 31,278.82-43,165.47-17,849.81

Finding the Fourth Proportional to 31,278.82, 43,165.47 and 17,849.81

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Solution

The fourth proportional to 31,278.82, 43,165.47 and 17,849.81 is: 24,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.82 : 43,165.47 = 17,849.81 : x
  2. Step 2: Convert to fraction form
    31,278.82/43,165.47 = 17,849.81/x
  3. Step 3: Cross multiply
    31,278.82x = 43,165.47 × 17,849.81
  4. Step 4: Simplify right side
    31,278.82x = 770,495,438.06
  5. Step 5: Solve for x
    x = 770,495,438.06/31,278.82
  6. Step 6: Final answer
    x = 24,633.14

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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.