Home / 55,520.25-83,317.28-25,940.39

Finding the Fourth Proportional to 55,520.25, 83,317.28 and 25,940.39

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Solution

The fourth proportional to 55,520.25, 83,317.28 and 25,940.39 is: 38,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.25 : 83,317.28 = 25,940.39 : x
  2. Step 2: Convert to fraction form
    55,520.25/83,317.28 = 25,940.39/x
  3. Step 3: Cross multiply
    55,520.25x = 83,317.28 × 25,940.39
  4. Step 4: Simplify right side
    55,520.25x = 2,161,282,190.65
  5. Step 5: Solve for x
    x = 2,161,282,190.65/55,520.25
  6. Step 6: Final answer
    x = 38,927.82

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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.