Home / 30,822.32-42,534.11-17,393.23

Finding the Fourth Proportional to 30,822.32, 42,534.11 and 17,393.23

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Solution

The fourth proportional to 30,822.32, 42,534.11 and 17,393.23 is: 24,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822.32 : 42,534.11 = 17,393.23 : x
  2. Step 2: Convert to fraction form
    30,822.32/42,534.11 = 17,393.23/x
  3. Step 3: Cross multiply
    30,822.32x = 42,534.11 × 17,393.23
  4. Step 4: Simplify right side
    30,822.32x = 739,805,654.73
  5. Step 5: Solve for x
    x = 739,805,654.73/30,822.32
  6. Step 6: Final answer
    x = 24,002.27

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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.