Home / 31,764.75-43,828.29-18,333.16

Finding the Fourth Proportional to 31,764.75, 43,828.29 and 18,333.16

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Solution

The fourth proportional to 31,764.75, 43,828.29 and 18,333.16 is: 25,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.75 : 43,828.29 = 18,333.16 : x
  2. Step 2: Convert to fraction form
    31,764.75/43,828.29 = 18,333.16/x
  3. Step 3: Cross multiply
    31,764.75x = 43,828.29 × 18,333.16
  4. Step 4: Simplify right side
    31,764.75x = 803,511,053.10
  5. Step 5: Solve for x
    x = 803,511,053.10/31,764.75
  6. Step 6: Final answer
    x = 25,295.68

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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.