Home / 51,431.43-77,119.39-23,336.16

Finding the Fourth Proportional to 51,431.43, 77,119.39 and 23,336.16

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Solution

The fourth proportional to 51,431.43, 77,119.39 and 23,336.16 is: 34,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.43 : 77,119.39 = 23,336.16 : x
  2. Step 2: Convert to fraction form
    51,431.43/77,119.39 = 23,336.16/x
  3. Step 3: Cross multiply
    51,431.43x = 77,119.39 × 23,336.16
  4. Step 4: Simplify right side
    51,431.43x = 1,799,670,424.14
  5. Step 5: Solve for x
    x = 1,799,670,424.14/51,431.43
  6. Step 6: Final answer
    x = 34,991.65

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1.5x scale

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.