Home / 29,002.72-43,526.08-21,231.52

Finding the Fourth Proportional to 29,002.72, 43,526.08 and 21,231.52

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Solution

The fourth proportional to 29,002.72, 43,526.08 and 21,231.52 is: 31,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.72 : 43,526.08 = 21,231.52 : x
  2. Step 2: Convert to fraction form
    29,002.72/43,526.08 = 21,231.52/x
  3. Step 3: Cross multiply
    29,002.72x = 43,526.08 × 21,231.52
  4. Step 4: Simplify right side
    29,002.72x = 924,124,838.04
  5. Step 5: Solve for x
    x = 924,124,838.04/29,002.72
  6. Step 6: Final answer
    x = 31,863.39

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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.