Home / 50,745.42-70,028.80-28,085.96

Finding the Fourth Proportional to 50,745.42, 70,028.80 and 28,085.96

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Solution

The fourth proportional to 50,745.42, 70,028.80 and 28,085.96 is: 38,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.42 : 70,028.80 = 28,085.96 : x
  2. Step 2: Convert to fraction form
    50,745.42/70,028.80 = 28,085.96/x
  3. Step 3: Cross multiply
    50,745.42x = 70,028.80 × 28,085.96
  4. Step 4: Simplify right side
    50,745.42x = 1,966,826,075.65
  5. Step 5: Solve for x
    x = 1,966,826,075.65/50,745.42
  6. Step 6: Final answer
    x = 38,758.69

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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.