Home / 31,313.62-43,227.57-19,384.75

Finding the Fourth Proportional to 31,313.62, 43,227.57 and 19,384.75

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Solution

The fourth proportional to 31,313.62, 43,227.57 and 19,384.75 is: 26,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.62 : 43,227.57 = 19,384.75 : x
  2. Step 2: Convert to fraction form
    31,313.62/43,227.57 = 19,384.75/x
  3. Step 3: Cross multiply
    31,313.62x = 43,227.57 × 19,384.75
  4. Step 4: Simplify right side
    31,313.62x = 837,955,637.56
  5. Step 5: Solve for x
    x = 837,955,637.56/31,313.62
  6. Step 6: Final answer
    x = 26,760.10

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Double scale
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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.