Home / 31,542.02-43,525.99-18,103.81

Finding the Fourth Proportional to 31,542.02, 43,525.99 and 18,103.81

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Solution

The fourth proportional to 31,542.02, 43,525.99 and 18,103.81 is: 24,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.02 : 43,525.99 = 18,103.81 : x
  2. Step 2: Convert to fraction form
    31,542.02/43,525.99 = 18,103.81/x
  3. Step 3: Cross multiply
    31,542.02x = 43,525.99 × 18,103.81
  4. Step 4: Simplify right side
    31,542.02x = 787,986,253.02
  5. Step 5: Solve for x
    x = 787,986,253.02/31,542.02
  6. Step 6: Final answer
    x = 24,982.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.