Home / 65,749.69-90,734.57-37,455.38

Finding the Fourth Proportional to 65,749.69, 90,734.57 and 37,455.38

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Solution

The fourth proportional to 65,749.69, 90,734.57 and 37,455.38 is: 51,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,749.69 : 90,734.57 = 37,455.38 : x
  2. Step 2: Convert to fraction form
    65,749.69/90,734.57 = 37,455.38/x
  3. Step 3: Cross multiply
    65,749.69x = 90,734.57 × 37,455.38
  4. Step 4: Simplify right side
    65,749.69x = 3,398,497,297.99
  5. Step 5: Solve for x
    x = 3,398,497,297.99/65,749.69
  6. Step 6: Final answer
    x = 51,688.42

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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.