Home / 37,290.39-55,840.14-20,631.93

Finding the Fourth Proportional to 37,290.39, 55,840.14 and 20,631.93

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Solution

The fourth proportional to 37,290.39, 55,840.14 and 20,631.93 is: 30,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,290.39 : 55,840.14 = 20,631.93 : x
  2. Step 2: Convert to fraction form
    37,290.39/55,840.14 = 20,631.93/x
  3. Step 3: Cross multiply
    37,290.39x = 55,840.14 × 20,631.93
  4. Step 4: Simplify right side
    37,290.39x = 1,152,089,859.67
  5. Step 5: Solve for x
    x = 1,152,089,859.67/37,290.39
  6. Step 6: Final answer
    x = 30,895.09

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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.