Home / 51,638.38-77,449.47-14,201.26

Finding the Fourth Proportional to 51,638.38, 77,449.47 and 14,201.26

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Solution

The fourth proportional to 51,638.38, 77,449.47 and 14,201.26 is: 21,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,638.38 : 77,449.47 = 14,201.26 : x
  2. Step 2: Convert to fraction form
    51,638.38/77,449.47 = 14,201.26/x
  3. Step 3: Cross multiply
    51,638.38x = 77,449.47 × 14,201.26
  4. Step 4: Simplify right side
    51,638.38x = 1,099,880,060.33
  5. Step 5: Solve for x
    x = 1,099,880,060.33/51,638.38
  6. Step 6: Final answer
    x = 21,299.66

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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.