Home / 32,661.17-45,080.57-20,078.63

Finding the Fourth Proportional to 32,661.17, 45,080.57 and 20,078.63

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Solution

The fourth proportional to 32,661.17, 45,080.57 and 20,078.63 is: 27,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.17 : 45,080.57 = 20,078.63 : x
  2. Step 2: Convert to fraction form
    32,661.17/45,080.57 = 20,078.63/x
  3. Step 3: Cross multiply
    32,661.17x = 45,080.57 × 20,078.63
  4. Step 4: Simplify right side
    32,661.17x = 905,155,910.01
  5. Step 5: Solve for x
    x = 905,155,910.01/32,661.17
  6. Step 6: Final answer
    x = 27,713.52

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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.