Home / 34,269.14-47,271.70-20,119.25

Finding the Fourth Proportional to 34,269.14, 47,271.70 and 20,119.25

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Solution

The fourth proportional to 34,269.14, 47,271.70 and 20,119.25 is: 27,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,269.14 : 47,271.70 = 20,119.25 : x
  2. Step 2: Convert to fraction form
    34,269.14/47,271.70 = 20,119.25/x
  3. Step 3: Cross multiply
    34,269.14x = 47,271.70 × 20,119.25
  4. Step 4: Simplify right side
    34,269.14x = 951,071,293.55
  5. Step 5: Solve for x
    x = 951,071,293.55/34,269.14
  6. Step 6: Final answer
    x = 27,752.99

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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.