Home / 64,949.79-97,427.40-20,575.56

Finding the Fourth Proportional to 64,949.79, 97,427.40 and 20,575.56

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Solution

The fourth proportional to 64,949.79, 97,427.40 and 20,575.56 is: 30,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,949.79 : 97,427.40 = 20,575.56 : x
  2. Step 2: Convert to fraction form
    64,949.79/97,427.40 = 20,575.56/x
  3. Step 3: Cross multiply
    64,949.79x = 97,427.40 × 20,575.56
  4. Step 4: Simplify right side
    64,949.79x = 2,004,623,314.34
  5. Step 5: Solve for x
    x = 2,004,623,314.34/64,949.79
  6. Step 6: Final answer
    x = 30,864.20

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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.