Home / 30,627.08-45,930.90-9,845.72

Finding the Fourth Proportional to 30,627.08, 45,930.90 and 9,845.72

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Solution

The fourth proportional to 30,627.08, 45,930.90 and 9,845.72 is: 14,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.08 : 45,930.90 = 9,845.72 : x
  2. Step 2: Convert to fraction form
    30,627.08/45,930.90 = 9,845.72/x
  3. Step 3: Cross multiply
    30,627.08x = 45,930.90 × 9,845.72
  4. Step 4: Simplify right side
    30,627.08x = 452,222,704.87
  5. Step 5: Solve for x
    x = 452,222,704.87/30,627.08
  6. Step 6: Final answer
    x = 14,765.45

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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.