Home / 40,786.95-61,202.72-15,827.98

Finding the Fourth Proportional to 40,786.95, 61,202.72 and 15,827.98

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Solution

The fourth proportional to 40,786.95, 61,202.72 and 15,827.98 is: 23,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.95 : 61,202.72 = 15,827.98 : x
  2. Step 2: Convert to fraction form
    40,786.95/61,202.72 = 15,827.98/x
  3. Step 3: Cross multiply
    40,786.95x = 61,202.72 × 15,827.98
  4. Step 4: Simplify right side
    40,786.95x = 968,715,428.11
  5. Step 5: Solve for x
    x = 968,715,428.11/40,786.95
  6. Step 6: Final answer
    x = 23,750.62

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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.