Home / 50,784.87-76,156.25-19,189.47

Finding the Fourth Proportional to 50,784.87, 76,156.25 and 19,189.47

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Solution

The fourth proportional to 50,784.87, 76,156.25 and 19,189.47 is: 28,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.87 : 76,156.25 = 19,189.47 : x
  2. Step 2: Convert to fraction form
    50,784.87/76,156.25 = 19,189.47/x
  3. Step 3: Cross multiply
    50,784.87x = 76,156.25 × 19,189.47
  4. Step 4: Simplify right side
    50,784.87x = 1,461,397,978.74
  5. Step 5: Solve for x
    x = 1,461,397,978.74/50,784.87
  6. Step 6: Final answer
    x = 28,776.25

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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.