Home / 40,076.10-55,293.08-23,079.90

Finding the Fourth Proportional to 40,076.10, 55,293.08 and 23,079.90

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Solution

The fourth proportional to 40,076.10, 55,293.08 and 23,079.90 is: 31,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.10 : 55,293.08 = 23,079.90 : x
  2. Step 2: Convert to fraction form
    40,076.10/55,293.08 = 23,079.90/x
  3. Step 3: Cross multiply
    40,076.10x = 55,293.08 × 23,079.90
  4. Step 4: Simplify right side
    40,076.10x = 1,276,158,641.69
  5. Step 5: Solve for x
    x = 1,276,158,641.69/40,076.10
  6. Step 6: Final answer
    x = 31,843.38

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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.