Home / 36,646.22-54,973.31-11,680.40

Finding the Fourth Proportional to 36,646.22, 54,973.31 and 11,680.40

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Solution

The fourth proportional to 36,646.22, 54,973.31 and 11,680.40 is: 17,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646.22 : 54,973.31 = 11,680.40 : x
  2. Step 2: Convert to fraction form
    36,646.22/54,973.31 = 11,680.40/x
  3. Step 3: Cross multiply
    36,646.22x = 54,973.31 × 11,680.40
  4. Step 4: Simplify right side
    36,646.22x = 642,110,250.12
  5. Step 5: Solve for x
    x = 642,110,250.12/36,646.22
  6. Step 6: Final answer
    x = 17,521.87

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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.