Home / 44,007.68-66,015.36-20,621.60

Finding the Fourth Proportional to 44,007.68, 66,015.36 and 20,621.60

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Solution

The fourth proportional to 44,007.68, 66,015.36 and 20,621.60 is: 30,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,007.68 : 66,015.36 = 20,621.60 : x
  2. Step 2: Convert to fraction form
    44,007.68/66,015.36 = 20,621.60/x
  3. Step 3: Cross multiply
    44,007.68x = 66,015.36 × 20,621.60
  4. Step 4: Simplify right side
    44,007.68x = 1,361,342,347.78
  5. Step 5: Solve for x
    x = 1,361,342,347.78/44,007.68
  6. Step 6: Final answer
    x = 30,934.20

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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.