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Finding the Fourth Proportional to 40,059, 60,075.72 and 13,757.40

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Solution

The fourth proportional to 40,059, 60,075.72 and 13,757.40 is: 20,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,059 : 60,075.72 = 13,757.40 : x
  2. Step 2: Convert to fraction form
    40,059/60,075.72 = 13,757.40/x
  3. Step 3: Cross multiply
    40,059x = 60,075.72 × 13,757.40
  4. Step 4: Simplify right side
    40,059x = 826,485,710.33
  5. Step 5: Solve for x
    x = 826,485,710.33/40,059
  6. Step 6: Final answer
    x = 20,631.71

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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.