Home / 51,628.55-77,442.82-18,349.92

Finding the Fourth Proportional to 51,628.55, 77,442.82 and 18,349.92

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Solution

The fourth proportional to 51,628.55, 77,442.82 and 18,349.92 is: 27,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.55 : 77,442.82 = 18,349.92 : x
  2. Step 2: Convert to fraction form
    51,628.55/77,442.82 = 18,349.92/x
  3. Step 3: Cross multiply
    51,628.55x = 77,442.82 × 18,349.92
  4. Step 4: Simplify right side
    51,628.55x = 1,421,069,791.06
  5. Step 5: Solve for x
    x = 1,421,069,791.06/51,628.55
  6. Step 6: Final answer
    x = 27,524.89

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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.