Home / 30,694.74-42,364.79-19,952.92

Finding the Fourth Proportional to 30,694.74, 42,364.79 and 19,952.92

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Solution

The fourth proportional to 30,694.74, 42,364.79 and 19,952.92 is: 27,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.74 : 42,364.79 = 19,952.92 : x
  2. Step 2: Convert to fraction form
    30,694.74/42,364.79 = 19,952.92/x
  3. Step 3: Cross multiply
    30,694.74x = 42,364.79 × 19,952.92
  4. Step 4: Simplify right side
    30,694.74x = 845,301,265.69
  5. Step 5: Solve for x
    x = 845,301,265.69/30,694.74
  6. Step 6: Final answer
    x = 27,538.96

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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.