Home / 33,316.56-49,875.21-20,128.95

Finding the Fourth Proportional to 33,316.56, 49,875.21 and 20,128.95

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Solution

The fourth proportional to 33,316.56, 49,875.21 and 20,128.95 is: 30,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.56 : 49,875.21 = 20,128.95 : x
  2. Step 2: Convert to fraction form
    33,316.56/49,875.21 = 20,128.95/x
  3. Step 3: Cross multiply
    33,316.56x = 49,875.21 × 20,128.95
  4. Step 4: Simplify right side
    33,316.56x = 1,003,935,608.33
  5. Step 5: Solve for x
    x = 1,003,935,608.33/33,316.56
  6. Step 6: Final answer
    x = 30,133.23

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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.