Home / 31,840.77-43,940.70-19,265.52

Finding the Fourth Proportional to 31,840.77, 43,940.70 and 19,265.52

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Solution

The fourth proportional to 31,840.77, 43,940.70 and 19,265.52 is: 26,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840.77 : 43,940.70 = 19,265.52 : x
  2. Step 2: Convert to fraction form
    31,840.77/43,940.70 = 19,265.52/x
  3. Step 3: Cross multiply
    31,840.77x = 43,940.70 × 19,265.52
  4. Step 4: Simplify right side
    31,840.77x = 846,540,434.66
  5. Step 5: Solve for x
    x = 846,540,434.66/31,840.77
  6. Step 6: Final answer
    x = 26,586.68

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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.