Home / 55,035.28-75,949.50-31,161.28

Finding the Fourth Proportional to 55,035.28, 75,949.50 and 31,161.28

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Solution

The fourth proportional to 55,035.28, 75,949.50 and 31,161.28 is: 43,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,035.28 : 75,949.50 = 31,161.28 : x
  2. Step 2: Convert to fraction form
    55,035.28/75,949.50 = 31,161.28/x
  3. Step 3: Cross multiply
    55,035.28x = 75,949.50 × 31,161.28
  4. Step 4: Simplify right side
    55,035.28x = 2,366,683,635.36
  5. Step 5: Solve for x
    x = 2,366,683,635.36/55,035.28
  6. Step 6: Final answer
    x = 43,003.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.