Home / 43,678.02-65,542.41-18,375.68

Finding the Fourth Proportional to 43,678.02, 65,542.41 and 18,375.68

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Solution

The fourth proportional to 43,678.02, 65,542.41 and 18,375.68 is: 27,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,678.02 : 65,542.41 = 18,375.68 : x
  2. Step 2: Convert to fraction form
    43,678.02/65,542.41 = 18,375.68/x
  3. Step 3: Cross multiply
    43,678.02x = 65,542.41 × 18,375.68
  4. Step 4: Simplify right side
    43,678.02x = 1,204,386,352.59
  5. Step 5: Solve for x
    x = 1,204,386,352.59/43,678.02
  6. Step 6: Final answer
    x = 27,574.20

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1.5x scale

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.