Home / 30,343.05-41,873.55-16,914.53

Finding the Fourth Proportional to 30,343.05, 41,873.55 and 16,914.53

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Solution

The fourth proportional to 30,343.05, 41,873.55 and 16,914.53 is: 23,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.05 : 41,873.55 = 16,914.53 : x
  2. Step 2: Convert to fraction form
    30,343.05/41,873.55 = 16,914.53/x
  3. Step 3: Cross multiply
    30,343.05x = 41,873.55 × 16,914.53
  4. Step 4: Simplify right side
    30,343.05x = 708,271,208.31
  5. Step 5: Solve for x
    x = 708,271,208.31/30,343.05
  6. Step 6: Final answer
    x = 23,342.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.