Home / 32,116-44,305.11-20,789.14

Finding the Fourth Proportional to 32,116, 44,305.11 and 20,789.14

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Solution

The fourth proportional to 32,116, 44,305.11 and 20,789.14 is: 28,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,116 : 44,305.11 = 20,789.14 : x
  2. Step 2: Convert to fraction form
    32,116/44,305.11 = 20,789.14/x
  3. Step 3: Cross multiply
    32,116x = 44,305.11 × 20,789.14
  4. Step 4: Simplify right side
    32,116x = 921,065,134.51
  5. Step 5: Solve for x
    x = 921,065,134.51/32,116
  6. Step 6: Final answer
    x = 28,679.32

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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.