Home / 34,301.36-47,340.09-20,873.99

Finding the Fourth Proportional to 34,301.36, 47,340.09 and 20,873.99

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Solution

The fourth proportional to 34,301.36, 47,340.09 and 20,873.99 is: 28,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,301.36 : 47,340.09 = 20,873.99 : x
  2. Step 2: Convert to fraction form
    34,301.36/47,340.09 = 20,873.99/x
  3. Step 3: Cross multiply
    34,301.36x = 47,340.09 × 20,873.99
  4. Step 4: Simplify right side
    34,301.36x = 988,176,328.56
  5. Step 5: Solve for x
    x = 988,176,328.56/34,301.36
  6. Step 6: Final answer
    x = 28,808.67

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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.