Home / 50,923.42-70,271.15-30,768.39

Finding the Fourth Proportional to 50,923.42, 70,271.15 and 30,768.39

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Solution

The fourth proportional to 50,923.42, 70,271.15 and 30,768.39 is: 42,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,923.42 : 70,271.15 = 30,768.39 : x
  2. Step 2: Convert to fraction form
    50,923.42/70,271.15 = 30,768.39/x
  3. Step 3: Cross multiply
    50,923.42x = 70,271.15 × 30,768.39
  4. Step 4: Simplify right side
    50,923.42x = 2,162,129,995.11
  5. Step 5: Solve for x
    x = 2,162,129,995.11/50,923.42
  6. Step 6: Final answer
    x = 42,458.46

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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.