Home / 39,785.11-59,684.73-13,132.57

Finding the Fourth Proportional to 39,785.11, 59,684.73 and 13,132.57

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Solution

The fourth proportional to 39,785.11, 59,684.73 and 13,132.57 is: 19,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,785.11 : 59,684.73 = 13,132.57 : x
  2. Step 2: Convert to fraction form
    39,785.11/59,684.73 = 13,132.57/x
  3. Step 3: Cross multiply
    39,785.11x = 59,684.73 × 13,132.57
  4. Step 4: Simplify right side
    39,785.11x = 783,813,894.66
  5. Step 5: Solve for x
    x = 783,813,894.66/39,785.11
  6. Step 6: Final answer
    x = 19,701.19

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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.