Home / 40,156.92-55,415.04-23,161.86

Finding the Fourth Proportional to 40,156.92, 55,415.04 and 23,161.86

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Solution

The fourth proportional to 40,156.92, 55,415.04 and 23,161.86 is: 31,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.92 : 55,415.04 = 23,161.86 : x
  2. Step 2: Convert to fraction form
    40,156.92/55,415.04 = 23,161.86/x
  3. Step 3: Cross multiply
    40,156.92x = 55,415.04 × 23,161.86
  4. Step 4: Simplify right side
    40,156.92x = 1,283,515,398.37
  5. Step 5: Solve for x
    x = 1,283,515,398.37/40,156.92
  6. Step 6: Final answer
    x = 31,962.50

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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.