Home / 50,852.90-70,173.18-28,189.71

Finding the Fourth Proportional to 50,852.90, 70,173.18 and 28,189.71

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Solution

The fourth proportional to 50,852.90, 70,173.18 and 28,189.71 is: 38,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,852.90 : 70,173.18 = 28,189.71 : x
  2. Step 2: Convert to fraction form
    50,852.90/70,173.18 = 28,189.71/x
  3. Step 3: Cross multiply
    50,852.90x = 70,173.18 × 28,189.71
  4. Step 4: Simplify right side
    50,852.90x = 1,978,161,593.98
  5. Step 5: Solve for x
    x = 1,978,161,593.98/50,852.90
  6. Step 6: Final answer
    x = 38,899.68

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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.