Home / 50,722.77-76,021.84-28,489.41

Finding the Fourth Proportional to 50,722.77, 76,021.84 and 28,489.41

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Solution

The fourth proportional to 50,722.77, 76,021.84 and 28,489.41 is: 42,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722.77 : 76,021.84 = 28,489.41 : x
  2. Step 2: Convert to fraction form
    50,722.77/76,021.84 = 28,489.41/x
  3. Step 3: Cross multiply
    50,722.77x = 76,021.84 × 28,489.41
  4. Step 4: Simplify right side
    50,722.77x = 2,165,817,297.49
  5. Step 5: Solve for x
    x = 2,165,817,297.49/50,722.77
  6. Step 6: Final answer
    x = 42,699.11

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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.