Home / 39,383.08-59,077.82-11,681

Finding the Fourth Proportional to 39,383.08, 59,077.82 and 11,681

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Solution

The fourth proportional to 39,383.08, 59,077.82 and 11,681 is: 17,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.08 : 59,077.82 = 11,681 : x
  2. Step 2: Convert to fraction form
    39,383.08/59,077.82 = 11,681/x
  3. Step 3: Cross multiply
    39,383.08x = 59,077.82 × 11,681
  4. Step 4: Simplify right side
    39,383.08x = 690,088,015.42
  5. Step 5: Solve for x
    x = 690,088,015.42/39,383.08
  6. Step 6: Final answer
    x = 17,522.45

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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.