Home / 30,521.52-45,777.03-9,173.91

Finding the Fourth Proportional to 30,521.52, 45,777.03 and 9,173.91

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Solution

The fourth proportional to 30,521.52, 45,777.03 and 9,173.91 is: 13,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.52 : 45,777.03 = 9,173.91 : x
  2. Step 2: Convert to fraction form
    30,521.52/45,777.03 = 9,173.91/x
  3. Step 3: Cross multiply
    30,521.52x = 45,777.03 × 9,173.91
  4. Step 4: Simplify right side
    30,521.52x = 419,954,353.29
  5. Step 5: Solve for x
    x = 419,954,353.29/30,521.52
  6. Step 6: Final answer
    x = 13,759.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.