Home / 36,688.64-50,630.54-21,581.91

Finding the Fourth Proportional to 36,688.64, 50,630.54 and 21,581.91

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Solution

The fourth proportional to 36,688.64, 50,630.54 and 21,581.91 is: 29,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.64 : 50,630.54 = 21,581.91 : x
  2. Step 2: Convert to fraction form
    36,688.64/50,630.54 = 21,581.91/x
  3. Step 3: Cross multiply
    36,688.64x = 50,630.54 × 21,581.91
  4. Step 4: Simplify right side
    36,688.64x = 1,092,703,649.62
  5. Step 5: Solve for x
    x = 1,092,703,649.62/36,688.64
  6. Step 6: Final answer
    x = 29,783.16

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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.