Home / 36,263.40-54,445.02-18,745.32

Finding the Fourth Proportional to 36,263.40, 54,445.02 and 18,745.32

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Solution

The fourth proportional to 36,263.40, 54,445.02 and 18,745.32 is: 28,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,263.40 : 54,445.02 = 18,745.32 : x
  2. Step 2: Convert to fraction form
    36,263.40/54,445.02 = 18,745.32/x
  3. Step 3: Cross multiply
    36,263.40x = 54,445.02 × 18,745.32
  4. Step 4: Simplify right side
    36,263.40x = 1,020,589,322.31
  5. Step 5: Solve for x
    x = 1,020,589,322.31/36,263.40
  6. Step 6: Final answer
    x = 28,143.78

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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.