Home / 34,969.05-48,238.34-20,819.16

Finding the Fourth Proportional to 34,969.05, 48,238.34 and 20,819.16

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Solution

The fourth proportional to 34,969.05, 48,238.34 and 20,819.16 is: 28,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,969.05 : 48,238.34 = 20,819.16 : x
  2. Step 2: Convert to fraction form
    34,969.05/48,238.34 = 20,819.16/x
  3. Step 3: Cross multiply
    34,969.05x = 48,238.34 × 20,819.16
  4. Step 4: Simplify right side
    34,969.05x = 1,004,281,614.50
  5. Step 5: Solve for x
    x = 1,004,281,614.50/34,969.05
  6. Step 6: Final answer
    x = 28,719.16

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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.