Home / 31,374.84-43,317.54-19,450.92

Finding the Fourth Proportional to 31,374.84, 43,317.54 and 19,450.92

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Solution

The fourth proportional to 31,374.84, 43,317.54 and 19,450.92 is: 26,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.84 : 43,317.54 = 19,450.92 : x
  2. Step 2: Convert to fraction form
    31,374.84/43,317.54 = 19,450.92/x
  3. Step 3: Cross multiply
    31,374.84x = 43,317.54 × 19,450.92
  4. Step 4: Simplify right side
    31,374.84x = 842,566,005.14
  5. Step 5: Solve for x
    x = 842,566,005.14/31,374.84
  6. Step 6: Final answer
    x = 26,854.83

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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.