Home / 31,423.35-43,373.57-18,003.54

Finding the Fourth Proportional to 31,423.35, 43,373.57 and 18,003.54

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Solution

The fourth proportional to 31,423.35, 43,373.57 and 18,003.54 is: 24,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.35 : 43,373.57 = 18,003.54 : x
  2. Step 2: Convert to fraction form
    31,423.35/43,373.57 = 18,003.54/x
  3. Step 3: Cross multiply
    31,423.35x = 43,373.57 × 18,003.54
  4. Step 4: Simplify right side
    31,423.35x = 780,877,802.44
  5. Step 5: Solve for x
    x = 780,877,802.44/31,423.35
  6. Step 6: Final answer
    x = 24,850.24

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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.