Home / 40,749.81-61,138.02-19,692.27

Finding the Fourth Proportional to 40,749.81, 61,138.02 and 19,692.27

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Solution

The fourth proportional to 40,749.81, 61,138.02 and 19,692.27 is: 29,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,749.81 : 61,138.02 = 19,692.27 : x
  2. Step 2: Convert to fraction form
    40,749.81/61,138.02 = 19,692.27/x
  3. Step 3: Cross multiply
    40,749.81x = 61,138.02 × 19,692.27
  4. Step 4: Simplify right side
    40,749.81x = 1,203,946,470.95
  5. Step 5: Solve for x
    x = 1,203,946,470.95/40,749.81
  6. Step 6: Final answer
    x = 29,544.84

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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.