Home / 30,956.22-46,402.56-12,228.66

Finding the Fourth Proportional to 30,956.22, 46,402.56 and 12,228.66

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Solution

The fourth proportional to 30,956.22, 46,402.56 and 12,228.66 is: 18,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.22 : 46,402.56 = 12,228.66 : x
  2. Step 2: Convert to fraction form
    30,956.22/46,402.56 = 12,228.66/x
  3. Step 3: Cross multiply
    30,956.22x = 46,402.56 × 12,228.66
  4. Step 4: Simplify right side
    30,956.22x = 567,441,129.37
  5. Step 5: Solve for x
    x = 567,441,129.37/30,956.22
  6. Step 6: Final answer
    x = 18,330.44

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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.