Home / 30,694.52-42,359.70-17,266.40

Finding the Fourth Proportional to 30,694.52, 42,359.70 and 17,266.40

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Solution

The fourth proportional to 30,694.52, 42,359.70 and 17,266.40 is: 23,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.52 : 42,359.70 = 17,266.40 : x
  2. Step 2: Convert to fraction form
    30,694.52/42,359.70 = 17,266.40/x
  3. Step 3: Cross multiply
    30,694.52x = 42,359.70 × 17,266.40
  4. Step 4: Simplify right side
    30,694.52x = 731,399,524.08
  5. Step 5: Solve for x
    x = 731,399,524.08/30,694.52
  6. Step 6: Final answer
    x = 23,828.34

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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.