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Finding the Fourth Proportional to 30,867.39, 46,301.09 and 7,493.67

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Solution

The fourth proportional to 30,867.39, 46,301.09 and 7,493.67 is: 11,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.39 : 46,301.09 = 7,493.67 : x
  2. Step 2: Convert to fraction form
    30,867.39/46,301.09 = 7,493.67/x
  3. Step 3: Cross multiply
    30,867.39x = 46,301.09 × 7,493.67
  4. Step 4: Simplify right side
    30,867.39x = 346,965,051.63
  5. Step 5: Solve for x
    x = 346,965,051.63/30,867.39
  6. Step 6: Final answer
    x = 11,240.51

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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.