Home / 39,803.04-59,704.14-18,729.54

Finding the Fourth Proportional to 39,803.04, 59,704.14 and 18,729.54

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Solution

The fourth proportional to 39,803.04, 59,704.14 and 18,729.54 is: 28,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803.04 : 59,704.14 = 18,729.54 : x
  2. Step 2: Convert to fraction form
    39,803.04/59,704.14 = 18,729.54/x
  3. Step 3: Cross multiply
    39,803.04x = 59,704.14 × 18,729.54
  4. Step 4: Simplify right side
    39,803.04x = 1,118,231,078.30
  5. Step 5: Solve for x
    x = 1,118,231,078.30/39,803.04
  6. Step 6: Final answer
    x = 28,094.11

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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.