Home / 31,863.09-43,971.12-17,715.96

Finding the Fourth Proportional to 31,863.09, 43,971.12 and 17,715.96

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Solution

The fourth proportional to 31,863.09, 43,971.12 and 17,715.96 is: 24,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.09 : 43,971.12 = 17,715.96 : x
  2. Step 2: Convert to fraction form
    31,863.09/43,971.12 = 17,715.96/x
  3. Step 3: Cross multiply
    31,863.09x = 43,971.12 × 17,715.96
  4. Step 4: Simplify right side
    31,863.09x = 778,990,603.08
  5. Step 5: Solve for x
    x = 778,990,603.08/31,863.09
  6. Step 6: Final answer
    x = 24,448.06

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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.