Home / 64,704.31-97,055.49-20,333.72

Finding the Fourth Proportional to 64,704.31, 97,055.49 and 20,333.72

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Solution

The fourth proportional to 64,704.31, 97,055.49 and 20,333.72 is: 30,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,704.31 : 97,055.49 = 20,333.72 : x
  2. Step 2: Convert to fraction form
    64,704.31/97,055.49 = 20,333.72/x
  3. Step 3: Cross multiply
    64,704.31x = 97,055.49 × 20,333.72
  4. Step 4: Simplify right side
    64,704.31x = 1,973,499,158.12
  5. Step 5: Solve for x
    x = 1,973,499,158.12/64,704.31
  6. Step 6: Final answer
    x = 30,500.27

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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.