Home / 51,812.10-77,699.10-18,523.14

Finding the Fourth Proportional to 51,812.10, 77,699.10 and 18,523.14

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Solution

The fourth proportional to 51,812.10, 77,699.10 and 18,523.14 is: 27,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.10 : 77,699.10 = 18,523.14 : x
  2. Step 2: Convert to fraction form
    51,812.10/77,699.10 = 18,523.14/x
  3. Step 3: Cross multiply
    51,812.10x = 77,699.10 × 18,523.14
  4. Step 4: Simplify right side
    51,812.10x = 1,439,231,307.17
  5. Step 5: Solve for x
    x = 1,439,231,307.17/51,812.10
  6. Step 6: Final answer
    x = 27,777.90

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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.