Home / 50,820.68-70,137.96-28,161.56

Finding the Fourth Proportional to 50,820.68, 70,137.96 and 28,161.56

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Solution

The fourth proportional to 50,820.68, 70,137.96 and 28,161.56 is: 38,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.68 : 70,137.96 = 28,161.56 : x
  2. Step 2: Convert to fraction form
    50,820.68/70,137.96 = 28,161.56/x
  3. Step 3: Cross multiply
    50,820.68x = 70,137.96 × 28,161.56
  4. Step 4: Simplify right side
    50,820.68x = 1,975,194,368.82
  5. Step 5: Solve for x
    x = 1,975,194,368.82/50,820.68
  6. Step 6: Final answer
    x = 38,865.96

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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.