Home / 31,657.36-43,689.33-18,232.15

Finding the Fourth Proportional to 31,657.36, 43,689.33 and 18,232.15

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Solution

The fourth proportional to 31,657.36, 43,689.33 and 18,232.15 is: 25,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.36 : 43,689.33 = 18,232.15 : x
  2. Step 2: Convert to fraction form
    31,657.36/43,689.33 = 18,232.15/x
  3. Step 3: Cross multiply
    31,657.36x = 43,689.33 × 18,232.15
  4. Step 4: Simplify right side
    31,657.36x = 796,550,417.96
  5. Step 5: Solve for x
    x = 796,550,417.96/31,657.36
  6. Step 6: Final answer
    x = 25,161.62

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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.