Home / 37,543.80-51,808.21-20,544.89

Finding the Fourth Proportional to 37,543.80, 51,808.21 and 20,544.89

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Solution

The fourth proportional to 37,543.80, 51,808.21 and 20,544.89 is: 28,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.80 : 51,808.21 = 20,544.89 : x
  2. Step 2: Convert to fraction form
    37,543.80/51,808.21 = 20,544.89/x
  3. Step 3: Cross multiply
    37,543.80x = 51,808.21 × 20,544.89
  4. Step 4: Simplify right side
    37,543.80x = 1,064,393,956.56
  5. Step 5: Solve for x
    x = 1,064,393,956.56/37,543.80
  6. Step 6: Final answer
    x = 28,350.72

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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.