Home / 31,229.37-43,096.05-19,125.81

Finding the Fourth Proportional to 31,229.37, 43,096.05 and 19,125.81

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Solution

The fourth proportional to 31,229.37, 43,096.05 and 19,125.81 is: 26,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229.37 : 43,096.05 = 19,125.81 : x
  2. Step 2: Convert to fraction form
    31,229.37/43,096.05 = 19,125.81/x
  3. Step 3: Cross multiply
    31,229.37x = 43,096.05 × 19,125.81
  4. Step 4: Simplify right side
    31,229.37x = 824,246,864.05
  5. Step 5: Solve for x
    x = 824,246,864.05/31,229.37
  6. Step 6: Final answer
    x = 26,393.32

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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.