Home / 42,022.80-57,990.96-23,159.52

Finding the Fourth Proportional to 42,022.80, 57,990.96 and 23,159.52

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Solution

The fourth proportional to 42,022.80, 57,990.96 and 23,159.52 is: 31,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.80 : 57,990.96 = 23,159.52 : x
  2. Step 2: Convert to fraction form
    42,022.80/57,990.96 = 23,159.52/x
  3. Step 3: Cross multiply
    42,022.80x = 57,990.96 × 23,159.52
  4. Step 4: Simplify right side
    42,022.80x = 1,343,042,797.94
  5. Step 5: Solve for x
    x = 1,343,042,797.94/42,022.80
  6. Step 6: Final answer
    x = 31,959.86

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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.