Home / 30,818.07-46,253.31-12,111.18

Finding the Fourth Proportional to 30,818.07, 46,253.31 and 12,111.18

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Solution

The fourth proportional to 30,818.07, 46,253.31 and 12,111.18 is: 18,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818.07 : 46,253.31 = 12,111.18 : x
  2. Step 2: Convert to fraction form
    30,818.07/46,253.31 = 12,111.18/x
  3. Step 3: Cross multiply
    30,818.07x = 46,253.31 × 12,111.18
  4. Step 4: Simplify right side
    30,818.07x = 560,182,163.01
  5. Step 5: Solve for x
    x = 560,182,163.01/30,818.07
  6. Step 6: Final answer
    x = 18,177.07

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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.