Home / 43,865.47-65,823.29-18,562.99

Finding the Fourth Proportional to 43,865.47, 65,823.29 and 18,562.99

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Solution

The fourth proportional to 43,865.47, 65,823.29 and 18,562.99 is: 27,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,865.47 : 65,823.29 = 18,562.99 : x
  2. Step 2: Convert to fraction form
    43,865.47/65,823.29 = 18,562.99/x
  3. Step 3: Cross multiply
    43,865.47x = 65,823.29 × 18,562.99
  4. Step 4: Simplify right side
    43,865.47x = 1,221,876,981.22
  5. Step 5: Solve for x
    x = 1,221,876,981.22/43,865.47
  6. Step 6: Final answer
    x = 27,855.10

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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.