Home / 31,477.57-43,434.56-18,049.39

Finding the Fourth Proportional to 31,477.57, 43,434.56 and 18,049.39

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Solution

The fourth proportional to 31,477.57, 43,434.56 and 18,049.39 is: 24,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.57 : 43,434.56 = 18,049.39 : x
  2. Step 2: Convert to fraction form
    31,477.57/43,434.56 = 18,049.39/x
  3. Step 3: Cross multiply
    31,477.57x = 43,434.56 × 18,049.39
  4. Step 4: Simplify right side
    31,477.57x = 783,967,249.46
  5. Step 5: Solve for x
    x = 783,967,249.46/31,477.57
  6. Step 6: Final answer
    x = 24,905.59

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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.