Home / 50,145.12-75,207.93-18,982.80

Finding the Fourth Proportional to 50,145.12, 75,207.93 and 18,982.80

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Solution

The fourth proportional to 50,145.12, 75,207.93 and 18,982.80 is: 28,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,145.12 : 75,207.93 = 18,982.80 : x
  2. Step 2: Convert to fraction form
    50,145.12/75,207.93 = 18,982.80/x
  3. Step 3: Cross multiply
    50,145.12x = 75,207.93 × 18,982.80
  4. Step 4: Simplify right side
    50,145.12x = 1,427,657,093.60
  5. Step 5: Solve for x
    x = 1,427,657,093.60/50,145.12
  6. Step 6: Final answer
    x = 28,470.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.