Home / 65,131.18-97,696.76-18,384.05

Finding the Fourth Proportional to 65,131.18, 97,696.76 and 18,384.05

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Solution

The fourth proportional to 65,131.18, 97,696.76 and 18,384.05 is: 27,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,131.18 : 97,696.76 = 18,384.05 : x
  2. Step 2: Convert to fraction form
    65,131.18/97,696.76 = 18,384.05/x
  3. Step 3: Cross multiply
    65,131.18x = 97,696.76 × 18,384.05
  4. Step 4: Simplify right side
    65,131.18x = 1,796,062,410.88
  5. Step 5: Solve for x
    x = 1,796,062,410.88/65,131.18
  6. Step 6: Final answer
    x = 27,576.08

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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.