Home / 40,017.12-60,059.36-20,020.60

Finding the Fourth Proportional to 40,017.12, 60,059.36 and 20,020.60

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Solution

The fourth proportional to 40,017.12, 60,059.36 and 20,020.60 is: 30,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.12 : 60,059.36 = 20,020.60 : x
  2. Step 2: Convert to fraction form
    40,017.12/60,059.36 = 20,020.60/x
  3. Step 3: Cross multiply
    40,017.12x = 60,059.36 × 20,020.60
  4. Step 4: Simplify right side
    40,017.12x = 1,202,424,422.82
  5. Step 5: Solve for x
    x = 1,202,424,422.82/40,017.12
  6. Step 6: Final answer
    x = 30,047.75

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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.