Home / 50,933.21-70,284.51-28,271.12

Finding the Fourth Proportional to 50,933.21, 70,284.51 and 28,271.12

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Solution

The fourth proportional to 50,933.21, 70,284.51 and 28,271.12 is: 39,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,933.21 : 70,284.51 = 28,271.12 : x
  2. Step 2: Convert to fraction form
    50,933.21/70,284.51 = 28,271.12/x
  3. Step 3: Cross multiply
    50,933.21x = 70,284.51 × 28,271.12
  4. Step 4: Simplify right side
    50,933.21x = 1,987,021,992.06
  5. Step 5: Solve for x
    x = 1,987,021,992.06/50,933.21
  6. Step 6: Final answer
    x = 39,012.30

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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.