Home / 51,441.34-77,146.32-18,153.63

Finding the Fourth Proportional to 51,441.34, 77,146.32 and 18,153.63

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Solution

The fourth proportional to 51,441.34, 77,146.32 and 18,153.63 is: 27,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.34 : 77,146.32 = 18,153.63 : x
  2. Step 2: Convert to fraction form
    51,441.34/77,146.32 = 18,153.63/x
  3. Step 3: Cross multiply
    51,441.34x = 77,146.32 × 18,153.63
  4. Step 4: Simplify right side
    51,441.34x = 1,400,485,930.66
  5. Step 5: Solve for x
    x = 1,400,485,930.66/51,441.34
  6. Step 6: Final answer
    x = 27,224.91

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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.