Home / 37,071.09-51,160.28-21,160.67

Finding the Fourth Proportional to 37,071.09, 51,160.28 and 21,160.67

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Solution

The fourth proportional to 37,071.09, 51,160.28 and 21,160.67 is: 29,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071.09 : 51,160.28 = 21,160.67 : x
  2. Step 2: Convert to fraction form
    37,071.09/51,160.28 = 21,160.67/x
  3. Step 3: Cross multiply
    37,071.09x = 51,160.28 × 21,160.67
  4. Step 4: Simplify right side
    37,071.09x = 1,082,585,440.58
  5. Step 5: Solve for x
    x = 1,082,585,440.58/37,071.09
  6. Step 6: Final answer
    x = 29,202.96

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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.