Home / 31,372.84-43,314.78-19,448.92

Finding the Fourth Proportional to 31,372.84, 43,314.78 and 19,448.92

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Solution

The fourth proportional to 31,372.84, 43,314.78 and 19,448.92 is: 26,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.84 : 43,314.78 = 19,448.92 : x
  2. Step 2: Convert to fraction form
    31,372.84/43,314.78 = 19,448.92/x
  3. Step 3: Cross multiply
    31,372.84x = 43,314.78 × 19,448.92
  4. Step 4: Simplify right side
    31,372.84x = 842,425,691.04
  5. Step 5: Solve for x
    x = 842,425,691.04/31,372.84
  6. Step 6: Final answer
    x = 26,852.07

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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.