Home / 34,778.94-47,993.64-18,862.86

Finding the Fourth Proportional to 34,778.94, 47,993.64 and 18,862.86

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Solution

The fourth proportional to 34,778.94, 47,993.64 and 18,862.86 is: 26,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.94 : 47,993.64 = 18,862.86 : x
  2. Step 2: Convert to fraction form
    34,778.94/47,993.64 = 18,862.86/x
  3. Step 3: Cross multiply
    34,778.94x = 47,993.64 × 18,862.86
  4. Step 4: Simplify right side
    34,778.94x = 905,297,312.21
  5. Step 5: Solve for x
    x = 905,297,312.21/34,778.94
  6. Step 6: Final answer
    x = 26,030.04

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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.