Home / 39,718.42-59,585.81-11,639.39

Finding the Fourth Proportional to 39,718.42, 59,585.81 and 11,639.39

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Solution

The fourth proportional to 39,718.42, 59,585.81 and 11,639.39 is: 17,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,718.42 : 59,585.81 = 11,639.39 : x
  2. Step 2: Convert to fraction form
    39,718.42/59,585.81 = 11,639.39/x
  3. Step 3: Cross multiply
    39,718.42x = 59,585.81 × 11,639.39
  4. Step 4: Simplify right side
    39,718.42x = 693,542,481.06
  5. Step 5: Solve for x
    x = 693,542,481.06/39,718.42
  6. Step 6: Final answer
    x = 17,461.48

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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.