Home / 30,675.05-45,993.98-20,009.37

Finding the Fourth Proportional to 30,675.05, 45,993.98 and 20,009.37

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Solution

The fourth proportional to 30,675.05, 45,993.98 and 20,009.37 is: 30,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.05 : 45,993.98 = 20,009.37 : x
  2. Step 2: Convert to fraction form
    30,675.05/45,993.98 = 20,009.37/x
  3. Step 3: Cross multiply
    30,675.05x = 45,993.98 × 20,009.37
  4. Step 4: Simplify right side
    30,675.05x = 920,310,563.59
  5. Step 5: Solve for x
    x = 920,310,563.59/30,675.05
  6. Step 6: Final answer
    x = 30,001.93

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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.