Home / 30,010.08-44,989.56-18,331.50

Finding the Fourth Proportional to 30,010.08, 44,989.56 and 18,331.50

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Solution

The fourth proportional to 30,010.08, 44,989.56 and 18,331.50 is: 27,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.08 : 44,989.56 = 18,331.50 : x
  2. Step 2: Convert to fraction form
    30,010.08/44,989.56 = 18,331.50/x
  3. Step 3: Cross multiply
    30,010.08x = 44,989.56 × 18,331.50
  4. Step 4: Simplify right side
    30,010.08x = 824,726,119.14
  5. Step 5: Solve for x
    x = 824,726,119.14/30,010.08
  6. Step 6: Final answer
    x = 27,481.64

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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.