Home / 30,945.22-46,389.40-11,219.02

Finding the Fourth Proportional to 30,945.22, 46,389.40 and 11,219.02

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Solution

The fourth proportional to 30,945.22, 46,389.40 and 11,219.02 is: 16,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.22 : 46,389.40 = 11,219.02 : x
  2. Step 2: Convert to fraction form
    30,945.22/46,389.40 = 11,219.02/x
  3. Step 3: Cross multiply
    30,945.22x = 46,389.40 × 11,219.02
  4. Step 4: Simplify right side
    30,945.22x = 520,443,606.39
  5. Step 5: Solve for x
    x = 520,443,606.39/30,945.22
  6. Step 6: Final answer
    x = 16,818.22

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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.