Home / 30,314.72-45,500.52-18,650.72

Finding the Fourth Proportional to 30,314.72, 45,500.52 and 18,650.72

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Solution

The fourth proportional to 30,314.72, 45,500.52 and 18,650.72 is: 27,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.72 : 45,500.52 = 18,650.72 : x
  2. Step 2: Convert to fraction form
    30,314.72/45,500.52 = 18,650.72/x
  3. Step 3: Cross multiply
    30,314.72x = 45,500.52 × 18,650.72
  4. Step 4: Simplify right side
    30,314.72x = 848,617,458.37
  5. Step 5: Solve for x
    x = 848,617,458.37/30,314.72
  6. Step 6: Final answer
    x = 27,993.58

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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.