Home / 37,272.12-51,436.47-20,277.32

Finding the Fourth Proportional to 37,272.12, 51,436.47 and 20,277.32

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Solution

The fourth proportional to 37,272.12, 51,436.47 and 20,277.32 is: 27,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272.12 : 51,436.47 = 20,277.32 : x
  2. Step 2: Convert to fraction form
    37,272.12/51,436.47 = 20,277.32/x
  3. Step 3: Cross multiply
    37,272.12x = 51,436.47 × 20,277.32
  4. Step 4: Simplify right side
    37,272.12x = 1,042,993,761.86
  5. Step 5: Solve for x
    x = 1,042,993,761.86/37,272.12
  6. Step 6: Final answer
    x = 27,983.22

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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.