Home / 45,020.40-67,537.56-20,069.04

Finding the Fourth Proportional to 45,020.40, 67,537.56 and 20,069.04

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Solution

The fourth proportional to 45,020.40, 67,537.56 and 20,069.04 is: 30,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.40 : 67,537.56 = 20,069.04 : x
  2. Step 2: Convert to fraction form
    45,020.40/67,537.56 = 20,069.04/x
  3. Step 3: Cross multiply
    45,020.40x = 67,537.56 × 20,069.04
  4. Step 4: Simplify right side
    45,020.40x = 1,355,413,993.14
  5. Step 5: Solve for x
    x = 1,355,413,993.14/45,020.40
  6. Step 6: Final answer
    x = 30,106.66

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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.