Home / 31,826.80-43,913.37-19,083.88

Finding the Fourth Proportional to 31,826.80, 43,913.37 and 19,083.88

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Solution

The fourth proportional to 31,826.80, 43,913.37 and 19,083.88 is: 26,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.80 : 43,913.37 = 19,083.88 : x
  2. Step 2: Convert to fraction form
    31,826.80/43,913.37 = 19,083.88/x
  3. Step 3: Cross multiply
    31,826.80x = 43,913.37 × 19,083.88
  4. Step 4: Simplify right side
    31,826.80x = 838,037,483.48
  5. Step 5: Solve for x
    x = 838,037,483.48/31,826.80
  6. Step 6: Final answer
    x = 26,331.19

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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.