Home / 50,976.36-70,344.99-28,316.79

Finding the Fourth Proportional to 50,976.36, 70,344.99 and 28,316.79

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Solution

The fourth proportional to 50,976.36, 70,344.99 and 28,316.79 is: 39,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976.36 : 70,344.99 = 28,316.79 : x
  2. Step 2: Convert to fraction form
    50,976.36/70,344.99 = 28,316.79/x
  3. Step 3: Cross multiply
    50,976.36x = 70,344.99 × 28,316.79
  4. Step 4: Simplify right side
    50,976.36x = 1,991,944,309.38
  5. Step 5: Solve for x
    x = 1,991,944,309.38/50,976.36
  6. Step 6: Final answer
    x = 39,075.84

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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.