Home / 30,751.11-46,089.63-12,974.92

Finding the Fourth Proportional to 30,751.11, 46,089.63 and 12,974.92

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Solution

The fourth proportional to 30,751.11, 46,089.63 and 12,974.92 is: 19,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.11 : 46,089.63 = 12,974.92 : x
  2. Step 2: Convert to fraction form
    30,751.11/46,089.63 = 12,974.92/x
  3. Step 3: Cross multiply
    30,751.11x = 46,089.63 × 12,974.92
  4. Step 4: Simplify right side
    30,751.11x = 598,009,146.86
  5. Step 5: Solve for x
    x = 598,009,146.86/30,751.11
  6. Step 6: Final answer
    x = 19,446.75

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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.