Home / 40,043.86-55,261.20-23,276.86

Finding the Fourth Proportional to 40,043.86, 55,261.20 and 23,276.86

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Solution

The fourth proportional to 40,043.86, 55,261.20 and 23,276.86 is: 32,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.86 : 55,261.20 = 23,276.86 : x
  2. Step 2: Convert to fraction form
    40,043.86/55,261.20 = 23,276.86/x
  3. Step 3: Cross multiply
    40,043.86x = 55,261.20 × 23,276.86
  4. Step 4: Simplify right side
    40,043.86x = 1,286,307,215.83
  5. Step 5: Solve for x
    x = 1,286,307,215.83/40,043.86
  6. Step 6: Final answer
    x = 32,122.46

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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.