Home / 35,862.78-53,801.46-12,491.04

Finding the Fourth Proportional to 35,862.78, 53,801.46 and 12,491.04

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Solution

The fourth proportional to 35,862.78, 53,801.46 and 12,491.04 is: 18,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.78 : 53,801.46 = 12,491.04 : x
  2. Step 2: Convert to fraction form
    35,862.78/53,801.46 = 12,491.04/x
  3. Step 3: Cross multiply
    35,862.78x = 53,801.46 × 12,491.04
  4. Step 4: Simplify right side
    35,862.78x = 672,036,188.92
  5. Step 5: Solve for x
    x = 672,036,188.92/35,862.78
  6. Step 6: Final answer
    x = 18,739.10

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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.