Home / 31,200.90-43,057.16-17,053.85

Finding the Fourth Proportional to 31,200.90, 43,057.16 and 17,053.85

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Solution

The fourth proportional to 31,200.90, 43,057.16 and 17,053.85 is: 23,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.90 : 43,057.16 = 17,053.85 : x
  2. Step 2: Convert to fraction form
    31,200.90/43,057.16 = 17,053.85/x
  3. Step 3: Cross multiply
    31,200.90x = 43,057.16 × 17,053.85
  4. Step 4: Simplify right side
    31,200.90x = 734,290,047.51
  5. Step 5: Solve for x
    x = 734,290,047.51/31,200.90
  6. Step 6: Final answer
    x = 23,534.26

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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.