Home / 37,210.40-55,815.60-10,917.80

Finding the Fourth Proportional to 37,210.40, 55,815.60 and 10,917.80

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Solution

The fourth proportional to 37,210.40, 55,815.60 and 10,917.80 is: 16,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,210.40 : 55,815.60 = 10,917.80 : x
  2. Step 2: Convert to fraction form
    37,210.40/55,815.60 = 10,917.80/x
  3. Step 3: Cross multiply
    37,210.40x = 55,815.60 × 10,917.80
  4. Step 4: Simplify right side
    37,210.40x = 609,383,557.68
  5. Step 5: Solve for x
    x = 609,383,557.68/37,210.40
  6. Step 6: Final answer
    x = 16,376.70

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1.5x scale

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.