Home / 30,035.70-45,046.56-11,317.62

Finding the Fourth Proportional to 30,035.70, 45,046.56 and 11,317.62

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Solution

The fourth proportional to 30,035.70, 45,046.56 and 11,317.62 is: 16,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.70 : 45,046.56 = 11,317.62 : x
  2. Step 2: Convert to fraction form
    30,035.70/45,046.56 = 11,317.62/x
  3. Step 3: Cross multiply
    30,035.70x = 45,046.56 × 11,317.62
  4. Step 4: Simplify right side
    30,035.70x = 509,819,848.39
  5. Step 5: Solve for x
    x = 509,819,848.39/30,035.70
  6. Step 6: Final answer
    x = 16,973.80

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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.