Home / 30,899.78-46,353.27-11,187.62

Finding the Fourth Proportional to 30,899.78, 46,353.27 and 11,187.62

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Solution

The fourth proportional to 30,899.78, 46,353.27 and 11,187.62 is: 16,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899.78 : 46,353.27 = 11,187.62 : x
  2. Step 2: Convert to fraction form
    30,899.78/46,353.27 = 11,187.62/x
  3. Step 3: Cross multiply
    30,899.78x = 46,353.27 × 11,187.62
  4. Step 4: Simplify right side
    30,899.78x = 518,582,770.52
  5. Step 5: Solve for x
    x = 518,582,770.52/30,899.78
  6. Step 6: Final answer
    x = 16,782.73

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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.