Home / 30,663.97-42,319.79-17,053.37

Finding the Fourth Proportional to 30,663.97, 42,319.79 and 17,053.37

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Solution

The fourth proportional to 30,663.97, 42,319.79 and 17,053.37 is: 23,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,663.97 : 42,319.79 = 17,053.37 : x
  2. Step 2: Convert to fraction form
    30,663.97/42,319.79 = 17,053.37/x
  3. Step 3: Cross multiply
    30,663.97x = 42,319.79 × 17,053.37
  4. Step 4: Simplify right side
    30,663.97x = 721,694,951.93
  5. Step 5: Solve for x
    x = 721,694,951.93/30,663.97
  6. Step 6: Final answer
    x = 23,535.60

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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.