Home / 31,365.64-43,284.36-17,218.18

Finding the Fourth Proportional to 31,365.64, 43,284.36 and 17,218.18

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Solution

The fourth proportional to 31,365.64, 43,284.36 and 17,218.18 is: 23,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.64 : 43,284.36 = 17,218.18 : x
  2. Step 2: Convert to fraction form
    31,365.64/43,284.36 = 17,218.18/x
  3. Step 3: Cross multiply
    31,365.64x = 43,284.36 × 17,218.18
  4. Step 4: Simplify right side
    31,365.64x = 745,277,901.66
  5. Step 5: Solve for x
    x = 745,277,901.66/31,365.64
  6. Step 6: Final answer
    x = 23,760.97

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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.