Home / 62,821.78-86,699.01-35,972.74

Finding the Fourth Proportional to 62,821.78, 86,699.01 and 35,972.74

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Solution

The fourth proportional to 62,821.78, 86,699.01 and 35,972.74 is: 49,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,821.78 : 86,699.01 = 35,972.74 : x
  2. Step 2: Convert to fraction form
    62,821.78/86,699.01 = 35,972.74/x
  3. Step 3: Cross multiply
    62,821.78x = 86,699.01 × 35,972.74
  4. Step 4: Simplify right side
    62,821.78x = 3,118,800,944.99
  5. Step 5: Solve for x
    x = 3,118,800,944.99/62,821.78
  6. Step 6: Final answer
    x = 49,645.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.