Home / 32,787.88-45,240.33-20,846.86

Finding the Fourth Proportional to 32,787.88, 45,240.33 and 20,846.86

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Solution

The fourth proportional to 32,787.88, 45,240.33 and 20,846.86 is: 28,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.88 : 45,240.33 = 20,846.86 : x
  2. Step 2: Convert to fraction form
    32,787.88/45,240.33 = 20,846.86/x
  3. Step 3: Cross multiply
    32,787.88x = 45,240.33 × 20,846.86
  4. Step 4: Simplify right side
    32,787.88x = 943,118,825.86
  5. Step 5: Solve for x
    x = 943,118,825.86/32,787.88
  6. Step 6: Final answer
    x = 28,764.25

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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.