Home / 37,202.68-51,339.54-20,435.32

Finding the Fourth Proportional to 37,202.68, 51,339.54 and 20,435.32

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Solution

The fourth proportional to 37,202.68, 51,339.54 and 20,435.32 is: 28,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,202.68 : 51,339.54 = 20,435.32 : x
  2. Step 2: Convert to fraction form
    37,202.68/51,339.54 = 20,435.32/x
  3. Step 3: Cross multiply
    37,202.68x = 51,339.54 × 20,435.32
  4. Step 4: Simplify right side
    37,202.68x = 1,049,139,928.55
  5. Step 5: Solve for x
    x = 1,049,139,928.55/37,202.68
  6. Step 6: Final answer
    x = 28,200.65

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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.