Home / 31,366.83-43,284.78-17,219.91

Finding the Fourth Proportional to 31,366.83, 43,284.78 and 17,219.91

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Solution

The fourth proportional to 31,366.83, 43,284.78 and 17,219.91 is: 23,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.83 : 43,284.78 = 17,219.91 : x
  2. Step 2: Convert to fraction form
    31,366.83/43,284.78 = 17,219.91/x
  3. Step 3: Cross multiply
    31,366.83x = 43,284.78 × 17,219.91
  4. Step 4: Simplify right side
    31,366.83x = 745,360,015.97
  5. Step 5: Solve for x
    x = 745,360,015.97/31,366.83
  6. Step 6: Final answer
    x = 23,762.68

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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.