Home / 37,707.08-52,033.72-20,939

Finding the Fourth Proportional to 37,707.08, 52,033.72 and 20,939

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Solution

The fourth proportional to 37,707.08, 52,033.72 and 20,939 is: 28,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,707.08 : 52,033.72 = 20,939 : x
  2. Step 2: Convert to fraction form
    37,707.08/52,033.72 = 20,939/x
  3. Step 3: Cross multiply
    37,707.08x = 52,033.72 × 20,939
  4. Step 4: Simplify right side
    37,707.08x = 1,089,534,063.08
  5. Step 5: Solve for x
    x = 1,089,534,063.08/37,707.08
  6. Step 6: Final answer
    x = 28,894.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.