Home / 30,832.34-46,229.78-12,089.92

Finding the Fourth Proportional to 30,832.34, 46,229.78 and 12,089.92

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Solution

The fourth proportional to 30,832.34, 46,229.78 and 12,089.92 is: 18,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.34 : 46,229.78 = 12,089.92 : x
  2. Step 2: Convert to fraction form
    30,832.34/46,229.78 = 12,089.92/x
  3. Step 3: Cross multiply
    30,832.34x = 46,229.78 × 12,089.92
  4. Step 4: Simplify right side
    30,832.34x = 558,914,196.02
  5. Step 5: Solve for x
    x = 558,914,196.02/30,832.34
  6. Step 6: Final answer
    x = 18,127.53

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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.