Home / 50,689.92-76,039.20-15,637.44

Finding the Fourth Proportional to 50,689.92, 76,039.20 and 15,637.44

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Solution

The fourth proportional to 50,689.92, 76,039.20 and 15,637.44 is: 23,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,689.92 : 76,039.20 = 15,637.44 : x
  2. Step 2: Convert to fraction form
    50,689.92/76,039.20 = 15,637.44/x
  3. Step 3: Cross multiply
    50,689.92x = 76,039.20 × 15,637.44
  4. Step 4: Simplify right side
    50,689.92x = 1,189,058,427.65
  5. Step 5: Solve for x
    x = 1,189,058,427.65/50,689.92
  6. Step 6: Final answer
    x = 23,457.49

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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.