Home / 50,551.21-75,794.37-20,989.45

Finding the Fourth Proportional to 50,551.21, 75,794.37 and 20,989.45

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Solution

The fourth proportional to 50,551.21, 75,794.37 and 20,989.45 is: 31,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,551.21 : 75,794.37 = 20,989.45 : x
  2. Step 2: Convert to fraction form
    50,551.21/75,794.37 = 20,989.45/x
  3. Step 3: Cross multiply
    50,551.21x = 75,794.37 × 20,989.45
  4. Step 4: Simplify right side
    50,551.21x = 1,590,881,655.48
  5. Step 5: Solve for x
    x = 1,590,881,655.48/50,551.21
  6. Step 6: Final answer
    x = 31,470.70

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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.