Home / 50,736.52-70,018.86-28,075.42

Finding the Fourth Proportional to 50,736.52, 70,018.86 and 28,075.42

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Solution

The fourth proportional to 50,736.52, 70,018.86 and 28,075.42 is: 38,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,736.52 : 70,018.86 = 28,075.42 : x
  2. Step 2: Convert to fraction form
    50,736.52/70,018.86 = 28,075.42/x
  3. Step 3: Cross multiply
    50,736.52x = 70,018.86 × 28,075.42
  4. Step 4: Simplify right side
    50,736.52x = 1,965,808,902.42
  5. Step 5: Solve for x
    x = 1,965,808,902.42/50,736.52
  6. Step 6: Final answer
    x = 38,745.44

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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.