Home / 31,465.87-43,422.07-17,125.98

Finding the Fourth Proportional to 31,465.87, 43,422.07 and 17,125.98

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Solution

The fourth proportional to 31,465.87, 43,422.07 and 17,125.98 is: 23,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.87 : 43,422.07 = 17,125.98 : x
  2. Step 2: Convert to fraction form
    31,465.87/43,422.07 = 17,125.98/x
  3. Step 3: Cross multiply
    31,465.87x = 43,422.07 × 17,125.98
  4. Step 4: Simplify right side
    31,465.87x = 743,645,502.38
  5. Step 5: Solve for x
    x = 743,645,502.38/31,465.87
  6. Step 6: Final answer
    x = 23,633.40

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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.