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Finding the Fourth Proportional to 36,615.51, 50,529.29 and 19,848.51

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Solution

The fourth proportional to 36,615.51, 50,529.29 and 19,848.51 is: 27,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,615.51 : 50,529.29 = 19,848.51 : x
  2. Step 2: Convert to fraction form
    36,615.51/50,529.29 = 19,848.51/x
  3. Step 3: Cross multiply
    36,615.51x = 50,529.29 × 19,848.51
  4. Step 4: Simplify right side
    36,615.51x = 1,002,931,018.62
  5. Step 5: Solve for x
    x = 1,002,931,018.62/36,615.51
  6. Step 6: Final answer
    x = 27,390.88

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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.