Home / 37,100.40-55,651.14-12,140.25

Finding the Fourth Proportional to 37,100.40, 55,651.14 and 12,140.25

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Solution

The fourth proportional to 37,100.40, 55,651.14 and 12,140.25 is: 18,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,100.40 : 55,651.14 = 12,140.25 : x
  2. Step 2: Convert to fraction form
    37,100.40/55,651.14 = 12,140.25/x
  3. Step 3: Cross multiply
    37,100.40x = 55,651.14 × 12,140.25
  4. Step 4: Simplify right side
    37,100.40x = 675,618,752.39
  5. Step 5: Solve for x
    x = 675,618,752.39/37,100.40
  6. Step 6: Final answer
    x = 18,210.55

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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.