Home / 51,743.15-77,614.73-18,464.30

Finding the Fourth Proportional to 51,743.15, 77,614.73 and 18,464.30

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Solution

The fourth proportional to 51,743.15, 77,614.73 and 18,464.30 is: 27,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.15 : 77,614.73 = 18,464.30 : x
  2. Step 2: Convert to fraction form
    51,743.15/77,614.73 = 18,464.30/x
  3. Step 3: Cross multiply
    51,743.15x = 77,614.73 × 18,464.30
  4. Step 4: Simplify right side
    51,743.15x = 1,433,101,566.82
  5. Step 5: Solve for x
    x = 1,433,101,566.82/51,743.15
  6. Step 6: Final answer
    x = 27,696.45

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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.