Home / 30,280.08-41,769.24-18,177.34

Finding the Fourth Proportional to 30,280.08, 41,769.24 and 18,177.34

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Solution

The fourth proportional to 30,280.08, 41,769.24 and 18,177.34 is: 25,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.08 : 41,769.24 = 18,177.34 : x
  2. Step 2: Convert to fraction form
    30,280.08/41,769.24 = 18,177.34/x
  3. Step 3: Cross multiply
    30,280.08x = 41,769.24 × 18,177.34
  4. Step 4: Simplify right side
    30,280.08x = 759,253,677.02
  5. Step 5: Solve for x
    x = 759,253,677.02/30,280.08
  6. Step 6: Final answer
    x = 25,074.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.