Home / 35,915.08-53,871.18-13,727.56

Finding the Fourth Proportional to 35,915.08, 53,871.18 and 13,727.56

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Solution

The fourth proportional to 35,915.08, 53,871.18 and 13,727.56 is: 20,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.08 : 53,871.18 = 13,727.56 : x
  2. Step 2: Convert to fraction form
    35,915.08/53,871.18 = 13,727.56/x
  3. Step 3: Cross multiply
    35,915.08x = 53,871.18 × 13,727.56
  4. Step 4: Simplify right side
    35,915.08x = 739,519,855.72
  5. Step 5: Solve for x
    x = 739,519,855.72/35,915.08
  6. Step 6: Final answer
    x = 20,590.79

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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.