Home / 30,911.18-46,346.28-11,187.17

Finding the Fourth Proportional to 30,911.18, 46,346.28 and 11,187.17

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Solution

The fourth proportional to 30,911.18, 46,346.28 and 11,187.17 is: 16,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,911.18 : 46,346.28 = 11,187.17 : x
  2. Step 2: Convert to fraction form
    30,911.18/46,346.28 = 11,187.17/x
  3. Step 3: Cross multiply
    30,911.18x = 46,346.28 × 11,187.17
  4. Step 4: Simplify right side
    30,911.18x = 518,483,481.50
  5. Step 5: Solve for x
    x = 518,483,481.50/30,911.18
  6. Step 6: Final answer
    x = 16,773.33

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Double scale
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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.