Home / 50,131.54-75,206.81-20,148.11

Finding the Fourth Proportional to 50,131.54, 75,206.81 and 20,148.11

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Solution

The fourth proportional to 50,131.54, 75,206.81 and 20,148.11 is: 30,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.54 : 75,206.81 = 20,148.11 : x
  2. Step 2: Convert to fraction form
    50,131.54/75,206.81 = 20,148.11/x
  3. Step 3: Cross multiply
    50,131.54x = 75,206.81 × 20,148.11
  4. Step 4: Simplify right side
    50,131.54x = 1,515,275,080.63
  5. Step 5: Solve for x
    x = 1,515,275,080.63/50,131.54
  6. Step 6: Final answer
    x = 30,225.98

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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.