Home / 38,157.49-57,171.43-18,445.33

Finding the Fourth Proportional to 38,157.49, 57,171.43 and 18,445.33

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Solution

The fourth proportional to 38,157.49, 57,171.43 and 18,445.33 is: 27,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.49 : 57,171.43 = 18,445.33 : x
  2. Step 2: Convert to fraction form
    38,157.49/57,171.43 = 18,445.33/x
  3. Step 3: Cross multiply
    38,157.49x = 57,171.43 × 18,445.33
  4. Step 4: Simplify right side
    38,157.49x = 1,054,545,892.92
  5. Step 5: Solve for x
    x = 1,054,545,892.92/38,157.49
  6. Step 6: Final answer
    x = 27,636.67

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1.5x scale

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.