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Finding the Fourth Proportional to 39,637, 59,441.74 and 11,549.48

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Solution

The fourth proportional to 39,637, 59,441.74 and 11,549.48 is: 17,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637 : 59,441.74 = 11,549.48 : x
  2. Step 2: Convert to fraction form
    39,637/59,441.74 = 11,549.48/x
  3. Step 3: Cross multiply
    39,637x = 59,441.74 × 11,549.48
  4. Step 4: Simplify right side
    39,637x = 686,521,187.30
  5. Step 5: Solve for x
    x = 686,521,187.30/39,637
  6. Step 6: Final answer
    x = 17,320.21

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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.