Home / 50,741.39-70,021.38-28,081.34

Finding the Fourth Proportional to 50,741.39, 70,021.38 and 28,081.34

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Solution

The fourth proportional to 50,741.39, 70,021.38 and 28,081.34 is: 38,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,741.39 : 70,021.38 = 28,081.34 : x
  2. Step 2: Convert to fraction form
    50,741.39/70,021.38 = 28,081.34/x
  3. Step 3: Cross multiply
    50,741.39x = 70,021.38 × 28,081.34
  4. Step 4: Simplify right side
    50,741.39x = 1,966,293,828.94
  5. Step 5: Solve for x
    x = 1,966,293,828.94/50,741.39
  6. Step 6: Final answer
    x = 38,751.28

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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.