Home / 40,039.56-55,259.40-23,272.56

Finding the Fourth Proportional to 40,039.56, 55,259.40 and 23,272.56

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Solution

The fourth proportional to 40,039.56, 55,259.40 and 23,272.56 is: 32,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.56 : 55,259.40 = 23,272.56 : x
  2. Step 2: Convert to fraction form
    40,039.56/55,259.40 = 23,272.56/x
  3. Step 3: Cross multiply
    40,039.56x = 55,259.40 × 23,272.56
  4. Step 4: Simplify right side
    40,039.56x = 1,286,027,702.06
  5. Step 5: Solve for x
    x = 1,286,027,702.06/40,039.56
  6. Step 6: Final answer
    x = 32,118.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.