Home / 30,309.12-41,826.54-16,881.54

Finding the Fourth Proportional to 30,309.12, 41,826.54 and 16,881.54

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Solution

The fourth proportional to 30,309.12, 41,826.54 and 16,881.54 is: 23,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.12 : 41,826.54 = 16,881.54 : x
  2. Step 2: Convert to fraction form
    30,309.12/41,826.54 = 16,881.54/x
  3. Step 3: Cross multiply
    30,309.12x = 41,826.54 × 16,881.54
  4. Step 4: Simplify right side
    30,309.12x = 706,096,408.07
  5. Step 5: Solve for x
    x = 706,096,408.07/30,309.12
  6. Step 6: Final answer
    x = 23,296.50

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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.