Home / 40,266.44-55,548.90-30,818.60

Finding the Fourth Proportional to 40,266.44, 55,548.90 and 30,818.60

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Solution

The fourth proportional to 40,266.44, 55,548.90 and 30,818.60 is: 42,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.44 : 55,548.90 = 30,818.60 : x
  2. Step 2: Convert to fraction form
    40,266.44/55,548.90 = 30,818.60/x
  3. Step 3: Cross multiply
    40,266.44x = 55,548.90 × 30,818.60
  4. Step 4: Simplify right side
    40,266.44x = 1,711,939,329.54
  5. Step 5: Solve for x
    x = 1,711,939,329.54/40,266.44
  6. Step 6: Final answer
    x = 42,515.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.