Home / 39,834.61-59,788.87-20,127.02

Finding the Fourth Proportional to 39,834.61, 59,788.87 and 20,127.02

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Solution

The fourth proportional to 39,834.61, 59,788.87 and 20,127.02 is: 30,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,834.61 : 59,788.87 = 20,127.02 : x
  2. Step 2: Convert to fraction form
    39,834.61/59,788.87 = 20,127.02/x
  3. Step 3: Cross multiply
    39,834.61x = 59,788.87 × 20,127.02
  4. Step 4: Simplify right side
    39,834.61x = 1,203,371,433.01
  5. Step 5: Solve for x
    x = 1,203,371,433.01/39,834.61
  6. Step 6: Final answer
    x = 30,209.20

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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.