Home / 31,162.87-43,005.66-17,016.64

Finding the Fourth Proportional to 31,162.87, 43,005.66 and 17,016.64

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Solution

The fourth proportional to 31,162.87, 43,005.66 and 17,016.64 is: 23,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.87 : 43,005.66 = 17,016.64 : x
  2. Step 2: Convert to fraction form
    31,162.87/43,005.66 = 17,016.64/x
  3. Step 3: Cross multiply
    31,162.87x = 43,005.66 × 17,016.64
  4. Step 4: Simplify right side
    31,162.87x = 731,811,834.18
  5. Step 5: Solve for x
    x = 731,811,834.18/31,162.87
  6. Step 6: Final answer
    x = 23,483.45

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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.