Home / 37,016.40-55,438.20-28,203.60

Finding the Fourth Proportional to 37,016.40, 55,438.20 and 28,203.60

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Solution

The fourth proportional to 37,016.40, 55,438.20 and 28,203.60 is: 42,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,016.40 : 55,438.20 = 28,203.60 : x
  2. Step 2: Convert to fraction form
    37,016.40/55,438.20 = 28,203.60/x
  3. Step 3: Cross multiply
    37,016.40x = 55,438.20 × 28,203.60
  4. Step 4: Simplify right side
    37,016.40x = 1,563,556,817.52
  5. Step 5: Solve for x
    x = 1,563,556,817.52/37,016.40
  6. Step 6: Final answer
    x = 42,239.57

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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.