Home / 51,629.78-77,445.52-14,189.62

Finding the Fourth Proportional to 51,629.78, 77,445.52 and 14,189.62

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Solution

The fourth proportional to 51,629.78, 77,445.52 and 14,189.62 is: 21,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,629.78 : 77,445.52 = 14,189.62 : x
  2. Step 2: Convert to fraction form
    51,629.78/77,445.52 = 14,189.62/x
  3. Step 3: Cross multiply
    51,629.78x = 77,445.52 × 14,189.62
  4. Step 4: Simplify right side
    51,629.78x = 1,098,922,499.50
  5. Step 5: Solve for x
    x = 1,098,922,499.50/51,629.78
  6. Step 6: Final answer
    x = 21,284.66

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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.