Home / 51,635.70-77,455.17-18,355.23

Finding the Fourth Proportional to 51,635.70, 77,455.17 and 18,355.23

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Solution

The fourth proportional to 51,635.70, 77,455.17 and 18,355.23 is: 27,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,635.70 : 77,455.17 = 18,355.23 : x
  2. Step 2: Convert to fraction form
    51,635.70/77,455.17 = 18,355.23/x
  3. Step 3: Cross multiply
    51,635.70x = 77,455.17 × 18,355.23
  4. Step 4: Simplify right side
    51,635.70x = 1,421,707,460.04
  5. Step 5: Solve for x
    x = 1,421,707,460.04/51,635.70
  6. Step 6: Final answer
    x = 27,533.42

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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.