Home / 50,815.93-70,120.29-28,149.25

Finding the Fourth Proportional to 50,815.93, 70,120.29 and 28,149.25

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Solution

The fourth proportional to 50,815.93, 70,120.29 and 28,149.25 is: 38,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.93 : 70,120.29 = 28,149.25 : x
  2. Step 2: Convert to fraction form
    50,815.93/70,120.29 = 28,149.25/x
  3. Step 3: Cross multiply
    50,815.93x = 70,120.29 × 28,149.25
  4. Step 4: Simplify right side
    50,815.93x = 1,973,833,573.28
  5. Step 5: Solve for x
    x = 1,973,833,573.28/50,815.93
  6. Step 6: Final answer
    x = 38,842.81

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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.