Home / 39,823.92-59,772.86-20,116.34

Finding the Fourth Proportional to 39,823.92, 59,772.86 and 20,116.34

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Solution

The fourth proportional to 39,823.92, 59,772.86 and 20,116.34 is: 30,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.92 : 59,772.86 = 20,116.34 : x
  2. Step 2: Convert to fraction form
    39,823.92/59,772.86 = 20,116.34/x
  3. Step 3: Cross multiply
    39,823.92x = 59,772.86 × 20,116.34
  4. Step 4: Simplify right side
    39,823.92x = 1,202,411,174.53
  5. Step 5: Solve for x
    x = 1,202,411,174.53/39,823.92
  6. Step 6: Final answer
    x = 30,193.19

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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.