Home / 36,403.11-54,585.09-21,415.41

Finding the Fourth Proportional to 36,403.11, 54,585.09 and 21,415.41

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Solution

The fourth proportional to 36,403.11, 54,585.09 and 21,415.41 is: 32,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403.11 : 54,585.09 = 21,415.41 : x
  2. Step 2: Convert to fraction form
    36,403.11/54,585.09 = 21,415.41/x
  3. Step 3: Cross multiply
    36,403.11x = 54,585.09 × 21,415.41
  4. Step 4: Simplify right side
    36,403.11x = 1,168,962,082.24
  5. Step 5: Solve for x
    x = 1,168,962,082.24/36,403.11
  6. Step 6: Final answer
    x = 32,111.60

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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.