Home / 36,750.34-55,157.51-20,986.93

Finding the Fourth Proportional to 36,750.34, 55,157.51 and 20,986.93

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Solution

The fourth proportional to 36,750.34, 55,157.51 and 20,986.93 is: 31,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,750.34 : 55,157.51 = 20,986.93 : x
  2. Step 2: Convert to fraction form
    36,750.34/55,157.51 = 20,986.93/x
  3. Step 3: Cross multiply
    36,750.34x = 55,157.51 × 20,986.93
  4. Step 4: Simplify right side
    36,750.34x = 1,157,586,801.34
  5. Step 5: Solve for x
    x = 1,157,586,801.34/36,750.34
  6. Step 6: Final answer
    x = 31,498.67

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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.