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Finding the Fourth Proportional to 39,352.71, 59,018.81 and 11,266.20

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Solution

The fourth proportional to 39,352.71, 59,018.81 and 11,266.20 is: 16,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.71 : 59,018.81 = 11,266.20 : x
  2. Step 2: Convert to fraction form
    39,352.71/59,018.81 = 11,266.20/x
  3. Step 3: Cross multiply
    39,352.71x = 59,018.81 × 11,266.20
  4. Step 4: Simplify right side
    39,352.71x = 664,917,854.79
  5. Step 5: Solve for x
    x = 664,917,854.79/39,352.71
  6. Step 6: Final answer
    x = 16,896.37

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1.5x scale

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.