Home / 55,012.40-82,505.36-25,401.77

Finding the Fourth Proportional to 55,012.40, 82,505.36 and 25,401.77

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Solution

The fourth proportional to 55,012.40, 82,505.36 and 25,401.77 is: 38,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012.40 : 82,505.36 = 25,401.77 : x
  2. Step 2: Convert to fraction form
    55,012.40/82,505.36 = 25,401.77/x
  3. Step 3: Cross multiply
    55,012.40x = 82,505.36 × 25,401.77
  4. Step 4: Simplify right side
    55,012.40x = 2,095,782,178.49
  5. Step 5: Solve for x
    x = 2,095,782,178.49/55,012.40
  6. Step 6: Final answer
    x = 38,096.54

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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.