Home / 50,933.70-70,285.16-28,271.58

Finding the Fourth Proportional to 50,933.70, 70,285.16 and 28,271.58

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Solution

The fourth proportional to 50,933.70, 70,285.16 and 28,271.58 is: 39,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,933.70 : 70,285.16 = 28,271.58 : x
  2. Step 2: Convert to fraction form
    50,933.70/70,285.16 = 28,271.58/x
  3. Step 3: Cross multiply
    50,933.70x = 70,285.16 × 28,271.58
  4. Step 4: Simplify right side
    50,933.70x = 1,987,072,382.39
  5. Step 5: Solve for x
    x = 1,987,072,382.39/50,933.70
  6. Step 6: Final answer
    x = 39,012.92

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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.