Home / 30,692.46-46,039.58-11,971.74

Finding the Fourth Proportional to 30,692.46, 46,039.58 and 11,971.74

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Solution

The fourth proportional to 30,692.46, 46,039.58 and 11,971.74 is: 17,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692.46 : 46,039.58 = 11,971.74 : x
  2. Step 2: Convert to fraction form
    30,692.46/46,039.58 = 11,971.74/x
  3. Step 3: Cross multiply
    30,692.46x = 46,039.58 × 11,971.74
  4. Step 4: Simplify right side
    30,692.46x = 551,173,881.47
  5. Step 5: Solve for x
    x = 551,173,881.47/30,692.46
  6. Step 6: Final answer
    x = 17,957.96

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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.