Home / 34,621.56-47,777.69-18,705.96

Finding the Fourth Proportional to 34,621.56, 47,777.69 and 18,705.96

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Solution

The fourth proportional to 34,621.56, 47,777.69 and 18,705.96 is: 25,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,621.56 : 47,777.69 = 18,705.96 : x
  2. Step 2: Convert to fraction form
    34,621.56/47,777.69 = 18,705.96/x
  3. Step 3: Cross multiply
    34,621.56x = 47,777.69 × 18,705.96
  4. Step 4: Simplify right side
    34,621.56x = 893,727,604.80
  5. Step 5: Solve for x
    x = 893,727,604.80/34,621.56
  6. Step 6: Final answer
    x = 25,814.19

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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.