Home / 29,117.29-43,697.63-21,638.08

Finding the Fourth Proportional to 29,117.29, 43,697.63 and 21,638.08

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Solution

The fourth proportional to 29,117.29, 43,697.63 and 21,638.08 is: 32,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.29 : 43,697.63 = 21,638.08 : x
  2. Step 2: Convert to fraction form
    29,117.29/43,697.63 = 21,638.08/x
  3. Step 3: Cross multiply
    29,117.29x = 43,697.63 × 21,638.08
  4. Step 4: Simplify right side
    29,117.29x = 945,532,487.07
  5. Step 5: Solve for x
    x = 945,532,487.07/29,117.29
  6. Step 6: Final answer
    x = 32,473.24

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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.