Home / 34,689.36-47,871.44-18,773.80

Finding the Fourth Proportional to 34,689.36, 47,871.44 and 18,773.80

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Solution

The fourth proportional to 34,689.36, 47,871.44 and 18,773.80 is: 25,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.36 : 47,871.44 = 18,773.80 : x
  2. Step 2: Convert to fraction form
    34,689.36/47,871.44 = 18,773.80/x
  3. Step 3: Cross multiply
    34,689.36x = 47,871.44 × 18,773.80
  4. Step 4: Simplify right side
    34,689.36x = 898,728,840.27
  5. Step 5: Solve for x
    x = 898,728,840.27/34,689.36
  6. Step 6: Final answer
    x = 25,907.91

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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.