Home / 39,817.75-59,735.17-13,162.32

Finding the Fourth Proportional to 39,817.75, 59,735.17 and 13,162.32

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Solution

The fourth proportional to 39,817.75, 59,735.17 and 13,162.32 is: 19,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817.75 : 59,735.17 = 13,162.32 : x
  2. Step 2: Convert to fraction form
    39,817.75/59,735.17 = 13,162.32/x
  3. Step 3: Cross multiply
    39,817.75x = 59,735.17 × 13,162.32
  4. Step 4: Simplify right side
    39,817.75x = 786,253,607.25
  5. Step 5: Solve for x
    x = 786,253,607.25/39,817.75
  6. Step 6: Final answer
    x = 19,746.31

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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.