Home / 51,420.74-77,006.60-35,581.37

Finding the Fourth Proportional to 51,420.74, 77,006.60 and 35,581.37

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Solution

The fourth proportional to 51,420.74, 77,006.60 and 35,581.37 is: 53,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.74 : 77,006.60 = 35,581.37 : x
  2. Step 2: Convert to fraction form
    51,420.74/77,006.60 = 35,581.37/x
  3. Step 3: Cross multiply
    51,420.74x = 77,006.60 × 35,581.37
  4. Step 4: Simplify right side
    51,420.74x = 2,740,000,149.14
  5. Step 5: Solve for x
    x = 2,740,000,149.14/51,420.74
  6. Step 6: Final answer
    x = 53,285.89

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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.