Home / 32,065.07-44,221.14-20,129.51

Finding the Fourth Proportional to 32,065.07, 44,221.14 and 20,129.51

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Solution

The fourth proportional to 32,065.07, 44,221.14 and 20,129.51 is: 27,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,065.07 : 44,221.14 = 20,129.51 : x
  2. Step 2: Convert to fraction form
    32,065.07/44,221.14 = 20,129.51/x
  3. Step 3: Cross multiply
    32,065.07x = 44,221.14 × 20,129.51
  4. Step 4: Simplify right side
    32,065.07x = 890,149,990.39
  5. Step 5: Solve for x
    x = 890,149,990.39/32,065.07
  6. Step 6: Final answer
    x = 27,760.74

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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.