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Finding the Fourth Proportional to 50,750.42, 70,035.70 and 28,090.96

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Solution

The fourth proportional to 50,750.42, 70,035.70 and 28,090.96 is: 38,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,750.42 : 70,035.70 = 28,090.96 : x
  2. Step 2: Convert to fraction form
    50,750.42/70,035.70 = 28,090.96/x
  3. Step 3: Cross multiply
    50,750.42x = 70,035.70 × 28,090.96
  4. Step 4: Simplify right side
    50,750.42x = 1,967,370,047.27
  5. Step 5: Solve for x
    x = 1,967,370,047.27/50,750.42
  6. Step 6: Final answer
    x = 38,765.59

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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.