Home / 55,973.53-83,997.20-20,913.19

Finding the Fourth Proportional to 55,973.53, 83,997.20 and 20,913.19

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Solution

The fourth proportional to 55,973.53, 83,997.20 and 20,913.19 is: 31,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,973.53 : 83,997.20 = 20,913.19 : x
  2. Step 2: Convert to fraction form
    55,973.53/83,997.20 = 20,913.19/x
  3. Step 3: Cross multiply
    55,973.53x = 83,997.20 × 20,913.19
  4. Step 4: Simplify right side
    55,973.53x = 1,756,649,245.36
  5. Step 5: Solve for x
    x = 1,756,649,245.36/55,973.53
  6. Step 6: Final answer
    x = 31,383.57

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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.