Home / 37,137.40-55,783.86-31,305.40

Finding the Fourth Proportional to 37,137.40, 55,783.86 and 31,305.40

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Solution

The fourth proportional to 37,137.40, 55,783.86 and 31,305.40 is: 47,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.40 : 55,783.86 = 31,305.40 : x
  2. Step 2: Convert to fraction form
    37,137.40/55,783.86 = 31,305.40/x
  3. Step 3: Cross multiply
    37,137.40x = 55,783.86 × 31,305.40
  4. Step 4: Simplify right side
    37,137.40x = 1,746,336,050.84
  5. Step 5: Solve for x
    x = 1,746,336,050.84/37,137.40
  6. Step 6: Final answer
    x = 47,023.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.