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Finding the Fourth Proportional to 64,835.82, 97,253.73 and 20,493.72

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Solution

The fourth proportional to 64,835.82, 97,253.73 and 20,493.72 is: 30,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,835.82 : 97,253.73 = 20,493.72 : x
  2. Step 2: Convert to fraction form
    64,835.82/97,253.73 = 20,493.72/x
  3. Step 3: Cross multiply
    64,835.82x = 97,253.73 × 20,493.72
  4. Step 4: Simplify right side
    64,835.82x = 1,993,090,711.58
  5. Step 5: Solve for x
    x = 1,993,090,711.58/64,835.82
  6. Step 6: Final answer
    x = 30,740.58

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1.5x scale

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.