Home / 30,672.24-42,327.48-17,424.24

Finding the Fourth Proportional to 30,672.24, 42,327.48 and 17,424.24

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Solution

The fourth proportional to 30,672.24, 42,327.48 and 17,424.24 is: 24,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.24 : 42,327.48 = 17,424.24 : x
  2. Step 2: Convert to fraction form
    30,672.24/42,327.48 = 17,424.24/x
  3. Step 3: Cross multiply
    30,672.24x = 42,327.48 × 17,424.24
  4. Step 4: Simplify right side
    30,672.24x = 737,524,170.12
  5. Step 5: Solve for x
    x = 737,524,170.12/30,672.24
  6. Step 6: Final answer
    x = 24,045.33

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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.