Home / 55,972.20-83,958.30-14,419.20

Finding the Fourth Proportional to 55,972.20, 83,958.30 and 14,419.20

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Solution

The fourth proportional to 55,972.20, 83,958.30 and 14,419.20 is: 21,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.20 : 83,958.30 = 14,419.20 : x
  2. Step 2: Convert to fraction form
    55,972.20/83,958.30 = 14,419.20/x
  3. Step 3: Cross multiply
    55,972.20x = 83,958.30 × 14,419.20
  4. Step 4: Simplify right side
    55,972.20x = 1,210,611,519.36
  5. Step 5: Solve for x
    x = 1,210,611,519.36/55,972.20
  6. Step 6: Final answer
    x = 21,628.80

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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.