Home / 30,745.36-46,131.78-14,941.72

Finding the Fourth Proportional to 30,745.36, 46,131.78 and 14,941.72

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Solution

The fourth proportional to 30,745.36, 46,131.78 and 14,941.72 is: 22,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745.36 : 46,131.78 = 14,941.72 : x
  2. Step 2: Convert to fraction form
    30,745.36/46,131.78 = 14,941.72/x
  3. Step 3: Cross multiply
    30,745.36x = 46,131.78 × 14,941.72
  4. Step 4: Simplify right side
    30,745.36x = 689,288,139.86
  5. Step 5: Solve for x
    x = 689,288,139.86/30,745.36
  6. Step 6: Final answer
    x = 22,419.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.