Home / 30,704.49-42,371.78-17,966.43

Finding the Fourth Proportional to 30,704.49, 42,371.78 and 17,966.43

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Solution

The fourth proportional to 30,704.49, 42,371.78 and 17,966.43 is: 24,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.49 : 42,371.78 = 17,966.43 : x
  2. Step 2: Convert to fraction form
    30,704.49/42,371.78 = 17,966.43/x
  3. Step 3: Cross multiply
    30,704.49x = 42,371.78 × 17,966.43
  4. Step 4: Simplify right side
    30,704.49x = 761,269,529.51
  5. Step 5: Solve for x
    x = 761,269,529.51/30,704.49
  6. Step 6: Final answer
    x = 24,793.43

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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.