Home / 35,487.40-53,231.10-29,145.10

Finding the Fourth Proportional to 35,487.40, 53,231.10 and 29,145.10

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Solution

The fourth proportional to 35,487.40, 53,231.10 and 29,145.10 is: 43,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,487.40 : 53,231.10 = 29,145.10 : x
  2. Step 2: Convert to fraction form
    35,487.40/53,231.10 = 29,145.10/x
  3. Step 3: Cross multiply
    35,487.40x = 53,231.10 × 29,145.10
  4. Step 4: Simplify right side
    35,487.40x = 1,551,425,732.61
  5. Step 5: Solve for x
    x = 1,551,425,732.61/35,487.40
  6. Step 6: Final answer
    x = 43,717.65

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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.