Home / 39,908.34-59,854.10-11,828.64

Finding the Fourth Proportional to 39,908.34, 59,854.10 and 11,828.64

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Solution

The fourth proportional to 39,908.34, 59,854.10 and 11,828.64 is: 17,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.34 : 59,854.10 = 11,828.64 : x
  2. Step 2: Convert to fraction form
    39,908.34/59,854.10 = 11,828.64/x
  3. Step 3: Cross multiply
    39,908.34x = 59,854.10 × 11,828.64
  4. Step 4: Simplify right side
    39,908.34x = 707,992,601.42
  5. Step 5: Solve for x
    x = 707,992,601.42/39,908.34
  6. Step 6: Final answer
    x = 17,740.47

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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.