Home / 40,051.60-55,270.40-22,147.36

Finding the Fourth Proportional to 40,051.60, 55,270.40 and 22,147.36

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Solution

The fourth proportional to 40,051.60, 55,270.40 and 22,147.36 is: 30,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.60 : 55,270.40 = 22,147.36 : x
  2. Step 2: Convert to fraction form
    40,051.60/55,270.40 = 22,147.36/x
  3. Step 3: Cross multiply
    40,051.60x = 55,270.40 × 22,147.36
  4. Step 4: Simplify right side
    40,051.60x = 1,224,093,446.14
  5. Step 5: Solve for x
    x = 1,224,093,446.14/40,051.60
  6. Step 6: Final answer
    x = 30,562.91

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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.