Home / 55,199.32-82,776.24-21,914.80

Finding the Fourth Proportional to 55,199.32, 82,776.24 and 21,914.80

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Solution

The fourth proportional to 55,199.32, 82,776.24 and 21,914.80 is: 32,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,199.32 : 82,776.24 = 21,914.80 : x
  2. Step 2: Convert to fraction form
    55,199.32/82,776.24 = 21,914.80/x
  3. Step 3: Cross multiply
    55,199.32x = 82,776.24 × 21,914.80
  4. Step 4: Simplify right side
    55,199.32x = 1,814,024,744.35
  5. Step 5: Solve for x
    x = 1,814,024,744.35/55,199.32
  6. Step 6: Final answer
    x = 32,863.17

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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.