Home / 30,358.32-45,531.24-11,632.08

Finding the Fourth Proportional to 30,358.32, 45,531.24 and 11,632.08

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Solution

The fourth proportional to 30,358.32, 45,531.24 and 11,632.08 is: 17,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.32 : 45,531.24 = 11,632.08 : x
  2. Step 2: Convert to fraction form
    30,358.32/45,531.24 = 11,632.08/x
  3. Step 3: Cross multiply
    30,358.32x = 45,531.24 × 11,632.08
  4. Step 4: Simplify right side
    30,358.32x = 529,623,026.18
  5. Step 5: Solve for x
    x = 529,623,026.18/30,358.32
  6. Step 6: Final answer
    x = 17,445.73

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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.