Home / 62,121.09-85,727.25-33,828.60

Finding the Fourth Proportional to 62,121.09, 85,727.25 and 33,828.60

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Solution

The fourth proportional to 62,121.09, 85,727.25 and 33,828.60 is: 46,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.09 : 85,727.25 = 33,828.60 : x
  2. Step 2: Convert to fraction form
    62,121.09/85,727.25 = 33,828.60/x
  3. Step 3: Cross multiply
    62,121.09x = 85,727.25 × 33,828.60
  4. Step 4: Simplify right side
    62,121.09x = 2,900,032,849.35
  5. Step 5: Solve for x
    x = 2,900,032,849.35/62,121.09
  6. Step 6: Final answer
    x = 46,683.55

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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.