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Finding the Fourth Proportional to 30,093.93, 45,131.54 and 10,099.53

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Solution

The fourth proportional to 30,093.93, 45,131.54 and 10,099.53 is: 15,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.93 : 45,131.54 = 10,099.53 : x
  2. Step 2: Convert to fraction form
    30,093.93/45,131.54 = 10,099.53/x
  3. Step 3: Cross multiply
    30,093.93x = 45,131.54 × 10,099.53
  4. Step 4: Simplify right side
    30,093.93x = 455,807,291.68
  5. Step 5: Solve for x
    x = 455,807,291.68/30,093.93
  6. Step 6: Final answer
    x = 15,146.15

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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.