Home / 31,523.11-43,494.20-18,768.10

Finding the Fourth Proportional to 31,523.11, 43,494.20 and 18,768.10

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Solution

The fourth proportional to 31,523.11, 43,494.20 and 18,768.10 is: 25,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.11 : 43,494.20 = 18,768.10 : x
  2. Step 2: Convert to fraction form
    31,523.11/43,494.20 = 18,768.10/x
  3. Step 3: Cross multiply
    31,523.11x = 43,494.20 × 18,768.10
  4. Step 4: Simplify right side
    31,523.11x = 816,303,495.02
  5. Step 5: Solve for x
    x = 816,303,495.02/31,523.11
  6. Step 6: Final answer
    x = 25,895.40

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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.