Home / 40,765.15-61,135.11-19,692.10

Finding the Fourth Proportional to 40,765.15, 61,135.11 and 19,692.10

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Solution

The fourth proportional to 40,765.15, 61,135.11 and 19,692.10 is: 29,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,765.15 : 61,135.11 = 19,692.10 : x
  2. Step 2: Convert to fraction form
    40,765.15/61,135.11 = 19,692.10/x
  3. Step 3: Cross multiply
    40,765.15x = 61,135.11 × 19,692.10
  4. Step 4: Simplify right side
    40,765.15x = 1,203,878,699.63
  5. Step 5: Solve for x
    x = 1,203,878,699.63/40,765.15
  6. Step 6: Final answer
    x = 29,532.06

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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.