Home / 51,591.68-77,382.72-14,150.40

Finding the Fourth Proportional to 51,591.68, 77,382.72 and 14,150.40

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Solution

The fourth proportional to 51,591.68, 77,382.72 and 14,150.40 is: 21,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.68 : 77,382.72 = 14,150.40 : x
  2. Step 2: Convert to fraction form
    51,591.68/77,382.72 = 14,150.40/x
  3. Step 3: Cross multiply
    51,591.68x = 77,382.72 × 14,150.40
  4. Step 4: Simplify right side
    51,591.68x = 1,094,996,441.09
  5. Step 5: Solve for x
    x = 1,094,996,441.09/51,591.68
  6. Step 6: Final answer
    x = 21,224.28

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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.