Home / 45,365.27-68,003.55-20,411.60

Finding the Fourth Proportional to 45,365.27, 68,003.55 and 20,411.60

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Solution

The fourth proportional to 45,365.27, 68,003.55 and 20,411.60 is: 30,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,365.27 : 68,003.55 = 20,411.60 : x
  2. Step 2: Convert to fraction form
    45,365.27/68,003.55 = 20,411.60/x
  3. Step 3: Cross multiply
    45,365.27x = 68,003.55 × 20,411.60
  4. Step 4: Simplify right side
    45,365.27x = 1,388,060,921.16
  5. Step 5: Solve for x
    x = 1,388,060,921.16/45,365.27
  6. Step 6: Final answer
    x = 30,597.44

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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.