Home / 50,739.16-76,115.47-18,713.92

Finding the Fourth Proportional to 50,739.16, 76,115.47 and 18,713.92

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Solution

The fourth proportional to 50,739.16, 76,115.47 and 18,713.92 is: 28,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.16 : 76,115.47 = 18,713.92 : x
  2. Step 2: Convert to fraction form
    50,739.16/76,115.47 = 18,713.92/x
  3. Step 3: Cross multiply
    50,739.16x = 76,115.47 × 18,713.92
  4. Step 4: Simplify right side
    50,739.16x = 1,424,418,816.34
  5. Step 5: Solve for x
    x = 1,424,418,816.34/50,739.16
  6. Step 6: Final answer
    x = 28,073.36

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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.