Home / 40,164.60-55,427.06-23,168.58

Finding the Fourth Proportional to 40,164.60, 55,427.06 and 23,168.58

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Solution

The fourth proportional to 40,164.60, 55,427.06 and 23,168.58 is: 31,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.60 : 55,427.06 = 23,168.58 : x
  2. Step 2: Convert to fraction form
    40,164.60/55,427.06 = 23,168.58/x
  3. Step 3: Cross multiply
    40,164.60x = 55,427.06 × 23,168.58
  4. Step 4: Simplify right side
    40,164.60x = 1,284,166,273.77
  5. Step 5: Solve for x
    x = 1,284,166,273.77/40,164.60
  6. Step 6: Final answer
    x = 31,972.59

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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.