Home / 50,494.48-75,743.64-18,901.21

Finding the Fourth Proportional to 50,494.48, 75,743.64 and 18,901.21

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Solution

The fourth proportional to 50,494.48, 75,743.64 and 18,901.21 is: 28,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,494.48 : 75,743.64 = 18,901.21 : x
  2. Step 2: Convert to fraction form
    50,494.48/75,743.64 = 18,901.21/x
  3. Step 3: Cross multiply
    50,494.48x = 75,743.64 × 18,901.21
  4. Step 4: Simplify right side
    50,494.48x = 1,431,646,256.45
  5. Step 5: Solve for x
    x = 1,431,646,256.45/50,494.48
  6. Step 6: Final answer
    x = 28,352.53

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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.