Home / 40,009.02-55,211.06-22,105.08

Finding the Fourth Proportional to 40,009.02, 55,211.06 and 22,105.08

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Solution

The fourth proportional to 40,009.02, 55,211.06 and 22,105.08 is: 30,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.02 : 55,211.06 = 22,105.08 : x
  2. Step 2: Convert to fraction form
    40,009.02/55,211.06 = 22,105.08/x
  3. Step 3: Cross multiply
    40,009.02x = 55,211.06 × 22,105.08
  4. Step 4: Simplify right side
    40,009.02x = 1,220,444,787.66
  5. Step 5: Solve for x
    x = 1,220,444,787.66/40,009.02
  6. Step 6: Final answer
    x = 30,504.24

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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.