Home / 30,654.68-42,304.70-17,225.89

Finding the Fourth Proportional to 30,654.68, 42,304.70 and 17,225.89

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Solution

The fourth proportional to 30,654.68, 42,304.70 and 17,225.89 is: 23,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.68 : 42,304.70 = 17,225.89 : x
  2. Step 2: Convert to fraction form
    30,654.68/42,304.70 = 17,225.89/x
  3. Step 3: Cross multiply
    30,654.68x = 42,304.70 × 17,225.89
  4. Step 4: Simplify right side
    30,654.68x = 728,736,045.99
  5. Step 5: Solve for x
    x = 728,736,045.99/30,654.68
  6. Step 6: Final answer
    x = 23,772.43

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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.