Home / 50,749.42-70,034.32-28,089.96

Finding the Fourth Proportional to 50,749.42, 70,034.32 and 28,089.96

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Solution

The fourth proportional to 50,749.42, 70,034.32 and 28,089.96 is: 38,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,749.42 : 70,034.32 = 28,089.96 : x
  2. Step 2: Convert to fraction form
    50,749.42/70,034.32 = 28,089.96/x
  3. Step 3: Cross multiply
    50,749.42x = 70,034.32 × 28,089.96
  4. Step 4: Simplify right side
    50,749.42x = 1,967,261,247.43
  5. Step 5: Solve for x
    x = 1,967,261,247.43/50,749.42
  6. Step 6: Final answer
    x = 38,764.21

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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.