Home / 50,823.11-70,134.85-28,161.90

Finding the Fourth Proportional to 50,823.11, 70,134.85 and 28,161.90

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Solution

The fourth proportional to 50,823.11, 70,134.85 and 28,161.90 is: 38,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,823.11 : 70,134.85 = 28,161.90 : x
  2. Step 2: Convert to fraction form
    50,823.11/70,134.85 = 28,161.90/x
  3. Step 3: Cross multiply
    50,823.11x = 70,134.85 × 28,161.90
  4. Step 4: Simplify right side
    50,823.11x = 1,975,130,632.22
  5. Step 5: Solve for x
    x = 1,975,130,632.22/50,823.11
  6. Step 6: Final answer
    x = 38,862.84

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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.