Home / 32,911.08-45,398.84-20,170.44

Finding the Fourth Proportional to 32,911.08, 45,398.84 and 20,170.44

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Solution

The fourth proportional to 32,911.08, 45,398.84 and 20,170.44 is: 27,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.08 : 45,398.84 = 20,170.44 : x
  2. Step 2: Convert to fraction form
    32,911.08/45,398.84 = 20,170.44/x
  3. Step 3: Cross multiply
    32,911.08x = 45,398.84 × 20,170.44
  4. Step 4: Simplify right side
    32,911.08x = 915,714,363.94
  5. Step 5: Solve for x
    x = 915,714,363.94/32,911.08
  6. Step 6: Final answer
    x = 27,823.89

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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.