Home / 37,326.97-51,509.67-20,331.28

Finding the Fourth Proportional to 37,326.97, 51,509.67 and 20,331.28

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Solution

The fourth proportional to 37,326.97, 51,509.67 and 20,331.28 is: 28,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,326.97 : 51,509.67 = 20,331.28 : x
  2. Step 2: Convert to fraction form
    37,326.97/51,509.67 = 20,331.28/x
  3. Step 3: Cross multiply
    37,326.97x = 51,509.67 × 20,331.28
  4. Step 4: Simplify right side
    37,326.97x = 1,047,257,265.93
  5. Step 5: Solve for x
    x = 1,047,257,265.93/37,326.97
  6. Step 6: Final answer
    x = 28,056.32

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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.