Home / 30,396.72-45,567.24-10,664.52

Finding the Fourth Proportional to 30,396.72, 45,567.24 and 10,664.52

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Solution

The fourth proportional to 30,396.72, 45,567.24 and 10,664.52 is: 15,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,396.72 : 45,567.24 = 10,664.52 : x
  2. Step 2: Convert to fraction form
    30,396.72/45,567.24 = 10,664.52/x
  3. Step 3: Cross multiply
    30,396.72x = 45,567.24 × 10,664.52
  4. Step 4: Simplify right side
    30,396.72x = 485,952,742.32
  5. Step 5: Solve for x
    x = 485,952,742.32/30,396.72
  6. Step 6: Final answer
    x = 15,987.01

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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.