Home / 31,464.68-43,420.43-17,124.79

Finding the Fourth Proportional to 31,464.68, 43,420.43 and 17,124.79

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Solution

The fourth proportional to 31,464.68, 43,420.43 and 17,124.79 is: 23,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.68 : 43,420.43 = 17,124.79 : x
  2. Step 2: Convert to fraction form
    31,464.68/43,420.43 = 17,124.79/x
  3. Step 3: Cross multiply
    31,464.68x = 43,420.43 × 17,124.79
  4. Step 4: Simplify right side
    31,464.68x = 743,565,679.72
  5. Step 5: Solve for x
    x = 743,565,679.72/31,464.68
  6. Step 6: Final answer
    x = 23,631.76

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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.