Home / 51,380.55-77,069.75-23,678.55

Finding the Fourth Proportional to 51,380.55, 77,069.75 and 23,678.55

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Solution

The fourth proportional to 51,380.55, 77,069.75 and 23,678.55 is: 35,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380.55 : 77,069.75 = 23,678.55 : x
  2. Step 2: Convert to fraction form
    51,380.55/77,069.75 = 23,678.55/x
  3. Step 3: Cross multiply
    51,380.55x = 77,069.75 × 23,678.55
  4. Step 4: Simplify right side
    51,380.55x = 1,824,899,810.47
  5. Step 5: Solve for x
    x = 1,824,899,810.47/51,380.55
  6. Step 6: Final answer
    x = 35,517.33

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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.