Home / 34,739.13-47,939.94-18,823.98

Finding the Fourth Proportional to 34,739.13, 47,939.94 and 18,823.98

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Solution

The fourth proportional to 34,739.13, 47,939.94 and 18,823.98 is: 25,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.13 : 47,939.94 = 18,823.98 : x
  2. Step 2: Convert to fraction form
    34,739.13/47,939.94 = 18,823.98/x
  3. Step 3: Cross multiply
    34,739.13x = 47,939.94 × 18,823.98
  4. Step 4: Simplify right side
    34,739.13x = 902,420,471.76
  5. Step 5: Solve for x
    x = 902,420,471.76/34,739.13
  6. Step 6: Final answer
    x = 25,977.06

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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.