Home / 31,838.60-43,937.48-19,908.92

Finding the Fourth Proportional to 31,838.60, 43,937.48 and 19,908.92

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Solution

The fourth proportional to 31,838.60, 43,937.48 and 19,908.92 is: 27,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.60 : 43,937.48 = 19,908.92 : x
  2. Step 2: Convert to fraction form
    31,838.60/43,937.48 = 19,908.92/x
  3. Step 3: Cross multiply
    31,838.60x = 43,937.48 × 19,908.92
  4. Step 4: Simplify right side
    31,838.60x = 874,747,774.32
  5. Step 5: Solve for x
    x = 874,747,774.32/31,838.60
  6. Step 6: Final answer
    x = 27,474.44

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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.