Home / 37,373.96-51,575.40-20,378.33

Finding the Fourth Proportional to 37,373.96, 51,575.40 and 20,378.33

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Solution

The fourth proportional to 37,373.96, 51,575.40 and 20,378.33 is: 28,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,373.96 : 51,575.40 = 20,378.33 : x
  2. Step 2: Convert to fraction form
    37,373.96/51,575.40 = 20,378.33/x
  3. Step 3: Cross multiply
    37,373.96x = 51,575.40 × 20,378.33
  4. Step 4: Simplify right side
    37,373.96x = 1,051,020,650.02
  5. Step 5: Solve for x
    x = 1,051,020,650.02/37,373.96
  6. Step 6: Final answer
    x = 28,121.74

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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.