Home / 30,832.61-46,247.01-18,988.64

Finding the Fourth Proportional to 30,832.61, 46,247.01 and 18,988.64

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Solution

The fourth proportional to 30,832.61, 46,247.01 and 18,988.64 is: 28,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.61 : 46,247.01 = 18,988.64 : x
  2. Step 2: Convert to fraction form
    30,832.61/46,247.01 = 18,988.64/x
  3. Step 3: Cross multiply
    30,832.61x = 46,247.01 × 18,988.64
  4. Step 4: Simplify right side
    30,832.61x = 878,167,823.97
  5. Step 5: Solve for x
    x = 878,167,823.97/30,832.61
  6. Step 6: Final answer
    x = 28,481.79

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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.