Home / 30,045.72-45,049.62-10,322.52

Finding the Fourth Proportional to 30,045.72, 45,049.62 and 10,322.52

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Solution

The fourth proportional to 30,045.72, 45,049.62 and 10,322.52 is: 15,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.72 : 45,049.62 = 10,322.52 : x
  2. Step 2: Convert to fraction form
    30,045.72/45,049.62 = 10,322.52/x
  3. Step 3: Cross multiply
    30,045.72x = 45,049.62 × 10,322.52
  4. Step 4: Simplify right side
    30,045.72x = 465,025,603.44
  5. Step 5: Solve for x
    x = 465,025,603.44/30,045.72
  6. Step 6: Final answer
    x = 15,477.27

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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.