Home / 37,388.38-51,595.80-20,392.32

Finding the Fourth Proportional to 37,388.38, 51,595.80 and 20,392.32

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Solution

The fourth proportional to 37,388.38, 51,595.80 and 20,392.32 is: 28,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,388.38 : 51,595.80 = 20,392.32 : x
  2. Step 2: Convert to fraction form
    37,388.38/51,595.80 = 20,392.32/x
  3. Step 3: Cross multiply
    37,388.38x = 51,595.80 × 20,392.32
  4. Step 4: Simplify right side
    37,388.38x = 1,052,158,064.26
  5. Step 5: Solve for x
    x = 1,052,158,064.26/37,388.38
  6. Step 6: Final answer
    x = 28,141.31

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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.