Home / 34,870.55-48,121.06-18,954.95

Finding the Fourth Proportional to 34,870.55, 48,121.06 and 18,954.95

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Solution

The fourth proportional to 34,870.55, 48,121.06 and 18,954.95 is: 26,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.55 : 48,121.06 = 18,954.95 : x
  2. Step 2: Convert to fraction form
    34,870.55/48,121.06 = 18,954.95/x
  3. Step 3: Cross multiply
    34,870.55x = 48,121.06 × 18,954.95
  4. Step 4: Simplify right side
    34,870.55x = 912,132,286.25
  5. Step 5: Solve for x
    x = 912,132,286.25/34,870.55
  6. Step 6: Final answer
    x = 26,157.67

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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.