Home / 32,301.67-48,389.32-21,174.40

Finding the Fourth Proportional to 32,301.67, 48,389.32 and 21,174.40

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Solution

The fourth proportional to 32,301.67, 48,389.32 and 21,174.40 is: 31,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,301.67 : 48,389.32 = 21,174.40 : x
  2. Step 2: Convert to fraction form
    32,301.67/48,389.32 = 21,174.40/x
  3. Step 3: Cross multiply
    32,301.67x = 48,389.32 × 21,174.40
  4. Step 4: Simplify right side
    32,301.67x = 1,024,614,469.59
  5. Step 5: Solve for x
    x = 1,024,614,469.59/32,301.67
  6. Step 6: Final answer
    x = 31,720.18

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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.