Home / 34,266.54-47,303.20-20,120.26

Finding the Fourth Proportional to 34,266.54, 47,303.20 and 20,120.26

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Solution

The fourth proportional to 34,266.54, 47,303.20 and 20,120.26 is: 27,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.54 : 47,303.20 = 20,120.26 : x
  2. Step 2: Convert to fraction form
    34,266.54/47,303.20 = 20,120.26/x
  3. Step 3: Cross multiply
    34,266.54x = 47,303.20 × 20,120.26
  4. Step 4: Simplify right side
    34,266.54x = 951,752,682.83
  5. Step 5: Solve for x
    x = 951,752,682.83/34,266.54
  6. Step 6: Final answer
    x = 27,774.99

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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.