Home / 40,027.97-55,239.63-22,123.19

Finding the Fourth Proportional to 40,027.97, 55,239.63 and 22,123.19

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Solution

The fourth proportional to 40,027.97, 55,239.63 and 22,123.19 is: 30,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027.97 : 55,239.63 = 22,123.19 : x
  2. Step 2: Convert to fraction form
    40,027.97/55,239.63 = 22,123.19/x
  3. Step 3: Cross multiply
    40,027.97x = 55,239.63 × 22,123.19
  4. Step 4: Simplify right side
    40,027.97x = 1,222,076,830.02
  5. Step 5: Solve for x
    x = 1,222,076,830.02/40,027.97
  6. Step 6: Final answer
    x = 30,530.57

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Double scale
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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.