Home / 40,432.72-55,797.12-22,528.86

Finding the Fourth Proportional to 40,432.72, 55,797.12 and 22,528.86

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Solution

The fourth proportional to 40,432.72, 55,797.12 and 22,528.86 is: 31,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432.72 : 55,797.12 = 22,528.86 : x
  2. Step 2: Convert to fraction form
    40,432.72/55,797.12 = 22,528.86/x
  3. Step 3: Cross multiply
    40,432.72x = 55,797.12 × 22,528.86
  4. Step 4: Simplify right side
    40,432.72x = 1,257,045,504.88
  5. Step 5: Solve for x
    x = 1,257,045,504.88/40,432.72
  6. Step 6: Final answer
    x = 31,089.81

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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.