Home / 50,914.90-76,372.28-28,718.20

Finding the Fourth Proportional to 50,914.90, 76,372.28 and 28,718.20

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Solution

The fourth proportional to 50,914.90, 76,372.28 and 28,718.20 is: 43,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914.90 : 76,372.28 = 28,718.20 : x
  2. Step 2: Convert to fraction form
    50,914.90/76,372.28 = 28,718.20/x
  3. Step 3: Cross multiply
    50,914.90x = 76,372.28 × 28,718.20
  4. Step 4: Simplify right side
    50,914.90x = 2,193,274,411.50
  5. Step 5: Solve for x
    x = 2,193,274,411.50/50,914.90
  6. Step 6: Final answer
    x = 43,077.26

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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.