Home / 64,109.90-96,174.23-19,740.53

Finding the Fourth Proportional to 64,109.90, 96,174.23 and 19,740.53

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Solution

The fourth proportional to 64,109.90, 96,174.23 and 19,740.53 is: 29,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,109.90 : 96,174.23 = 19,740.53 : x
  2. Step 2: Convert to fraction form
    64,109.90/96,174.23 = 19,740.53/x
  3. Step 3: Cross multiply
    64,109.90x = 96,174.23 × 19,740.53
  4. Step 4: Simplify right side
    64,109.90x = 1,898,529,692.97
  5. Step 5: Solve for x
    x = 1,898,529,692.97/64,109.90
  6. Step 6: Final answer
    x = 29,613.68

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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.