Home / 31,161.84-43,023.96-19,242.69

Finding the Fourth Proportional to 31,161.84, 43,023.96 and 19,242.69

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Solution

The fourth proportional to 31,161.84, 43,023.96 and 19,242.69 is: 26,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.84 : 43,023.96 = 19,242.69 : x
  2. Step 2: Convert to fraction form
    31,161.84/43,023.96 = 19,242.69/x
  3. Step 3: Cross multiply
    31,161.84x = 43,023.96 × 19,242.69
  4. Step 4: Simplify right side
    31,161.84x = 827,896,724.85
  5. Step 5: Solve for x
    x = 827,896,724.85/31,161.84
  6. Step 6: Final answer
    x = 26,567.65

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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.