Home / 31,785.66-43,859.34-19,035.86

Finding the Fourth Proportional to 31,785.66, 43,859.34 and 19,035.86

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Solution

The fourth proportional to 31,785.66, 43,859.34 and 19,035.86 is: 26,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.66 : 43,859.34 = 19,035.86 : x
  2. Step 2: Convert to fraction form
    31,785.66/43,859.34 = 19,035.86/x
  3. Step 3: Cross multiply
    31,785.66x = 43,859.34 × 19,035.86
  4. Step 4: Simplify right side
    31,785.66x = 834,900,036.64
  5. Step 5: Solve for x
    x = 834,900,036.64/31,785.66
  6. Step 6: Final answer
    x = 26,266.56

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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.