Home / 32,111.20-44,312.16-18,682.84

Finding the Fourth Proportional to 32,111.20, 44,312.16 and 18,682.84

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Solution

The fourth proportional to 32,111.20, 44,312.16 and 18,682.84 is: 25,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,111.20 : 44,312.16 = 18,682.84 : x
  2. Step 2: Convert to fraction form
    32,111.20/44,312.16 = 18,682.84/x
  3. Step 3: Cross multiply
    32,111.20x = 44,312.16 × 18,682.84
  4. Step 4: Simplify right side
    32,111.20x = 827,876,995.33
  5. Step 5: Solve for x
    x = 827,876,995.33/32,111.20
  6. Step 6: Final answer
    x = 25,781.57

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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.