Home / 37,506.57-51,756.93-20,507.64

Finding the Fourth Proportional to 37,506.57, 51,756.93 and 20,507.64

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Solution

The fourth proportional to 37,506.57, 51,756.93 and 20,507.64 is: 28,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,506.57 : 51,756.93 = 20,507.64 : x
  2. Step 2: Convert to fraction form
    37,506.57/51,756.93 = 20,507.64/x
  3. Step 3: Cross multiply
    37,506.57x = 51,756.93 × 20,507.64
  4. Step 4: Simplify right side
    37,506.57x = 1,061,412,487.95
  5. Step 5: Solve for x
    x = 1,061,412,487.95/37,506.57
  6. Step 6: Final answer
    x = 28,299.37

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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.