Home / 31,465.06-43,422.08-17,318.23

Finding the Fourth Proportional to 31,465.06, 43,422.08 and 17,318.23

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Solution

The fourth proportional to 31,465.06, 43,422.08 and 17,318.23 is: 23,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.06 : 43,422.08 = 17,318.23 : x
  2. Step 2: Convert to fraction form
    31,465.06/43,422.08 = 17,318.23/x
  3. Step 3: Cross multiply
    31,465.06x = 43,422.08 × 17,318.23
  4. Step 4: Simplify right side
    31,465.06x = 751,993,568.52
  5. Step 5: Solve for x
    x = 751,993,568.52/31,465.06
  6. Step 6: Final answer
    x = 23,899.32

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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.