Home / 64,927.21-97,381.03-20,548.18

Finding the Fourth Proportional to 64,927.21, 97,381.03 and 20,548.18

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Solution

The fourth proportional to 64,927.21, 97,381.03 and 20,548.18 is: 30,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,927.21 : 97,381.03 = 20,548.18 : x
  2. Step 2: Convert to fraction form
    64,927.21/97,381.03 = 20,548.18/x
  3. Step 3: Cross multiply
    64,927.21x = 97,381.03 × 20,548.18
  4. Step 4: Simplify right side
    64,927.21x = 2,001,002,933.03
  5. Step 5: Solve for x
    x = 2,001,002,933.03/64,927.21
  6. Step 6: Final answer
    x = 30,819.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.