Home / 38,477.50-57,718.44-10,777.66

Finding the Fourth Proportional to 38,477.50, 57,718.44 and 10,777.66

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Solution

The fourth proportional to 38,477.50, 57,718.44 and 10,777.66 is: 16,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.50 : 57,718.44 = 10,777.66 : x
  2. Step 2: Convert to fraction form
    38,477.50/57,718.44 = 10,777.66/x
  3. Step 3: Cross multiply
    38,477.50x = 57,718.44 × 10,777.66
  4. Step 4: Simplify right side
    38,477.50x = 622,069,722.05
  5. Step 5: Solve for x
    x = 622,069,722.05/38,477.50
  6. Step 6: Final answer
    x = 16,167.10

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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.