Home / 31,269.30-43,107.18-19,325.88

Finding the Fourth Proportional to 31,269.30, 43,107.18 and 19,325.88

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Solution

The fourth proportional to 31,269.30, 43,107.18 and 19,325.88 is: 26,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.30 : 43,107.18 = 19,325.88 : x
  2. Step 2: Convert to fraction form
    31,269.30/43,107.18 = 19,325.88/x
  3. Step 3: Cross multiply
    31,269.30x = 43,107.18 × 19,325.88
  4. Step 4: Simplify right side
    31,269.30x = 833,084,187.82
  5. Step 5: Solve for x
    x = 833,084,187.82/31,269.30
  6. Step 6: Final answer
    x = 26,642.24

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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.