Home / 51,709.52-77,555.82-18,424.64

Finding the Fourth Proportional to 51,709.52, 77,555.82 and 18,424.64

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Solution

The fourth proportional to 51,709.52, 77,555.82 and 18,424.64 is: 27,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,709.52 : 77,555.82 = 18,424.64 : x
  2. Step 2: Convert to fraction form
    51,709.52/77,555.82 = 18,424.64/x
  3. Step 3: Cross multiply
    51,709.52x = 77,555.82 × 18,424.64
  4. Step 4: Simplify right side
    51,709.52x = 1,428,938,063.40
  5. Step 5: Solve for x
    x = 1,428,938,063.40/51,709.52
  6. Step 6: Final answer
    x = 27,633.95

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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.