Home / 44,005.68-66,012.36-20,619.60

Finding the Fourth Proportional to 44,005.68, 66,012.36 and 20,619.60

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Solution

The fourth proportional to 44,005.68, 66,012.36 and 20,619.60 is: 30,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,005.68 : 66,012.36 = 20,619.60 : x
  2. Step 2: Convert to fraction form
    44,005.68/66,012.36 = 20,619.60/x
  3. Step 3: Cross multiply
    44,005.68x = 66,012.36 × 20,619.60
  4. Step 4: Simplify right side
    44,005.68x = 1,361,148,458.26
  5. Step 5: Solve for x
    x = 1,361,148,458.26/44,005.68
  6. Step 6: Final answer
    x = 30,931.20

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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.