Home / 36,761.81-50,722.45-21,653.28

Finding the Fourth Proportional to 36,761.81, 50,722.45 and 21,653.28

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Solution

The fourth proportional to 36,761.81, 50,722.45 and 21,653.28 is: 29,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,761.81 : 50,722.45 = 21,653.28 : x
  2. Step 2: Convert to fraction form
    36,761.81/50,722.45 = 21,653.28/x
  3. Step 3: Cross multiply
    36,761.81x = 50,722.45 × 21,653.28
  4. Step 4: Simplify right side
    36,761.81x = 1,098,307,358.00
  5. Step 5: Solve for x
    x = 1,098,307,358.00/36,761.81
  6. Step 6: Final answer
    x = 29,876.32

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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.