Home / 50,803.26-70,109.63-28,999.09

Finding the Fourth Proportional to 50,803.26, 70,109.63 and 28,999.09

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Solution

The fourth proportional to 50,803.26, 70,109.63 and 28,999.09 is: 40,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.26 : 70,109.63 = 28,999.09 : x
  2. Step 2: Convert to fraction form
    50,803.26/70,109.63 = 28,999.09/x
  3. Step 3: Cross multiply
    50,803.26x = 70,109.63 × 28,999.09
  4. Step 4: Simplify right side
    50,803.26x = 2,033,115,325.24
  5. Step 5: Solve for x
    x = 2,033,115,325.24/50,803.26
  6. Step 6: Final answer
    x = 40,019.39

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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.