Home / 32,133.72-44,320.64-20,794.47

Finding the Fourth Proportional to 32,133.72, 44,320.64 and 20,794.47

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Solution

The fourth proportional to 32,133.72, 44,320.64 and 20,794.47 is: 28,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,133.72 : 44,320.64 = 20,794.47 : x
  2. Step 2: Convert to fraction form
    32,133.72/44,320.64 = 20,794.47/x
  3. Step 3: Cross multiply
    32,133.72x = 44,320.64 × 20,794.47
  4. Step 4: Simplify right side
    32,133.72x = 921,623,961.39
  5. Step 5: Solve for x
    x = 921,623,961.39/32,133.72
  6. Step 6: Final answer
    x = 28,680.90

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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.