Home / 39,237.09-54,148.25-21,333.33

Finding the Fourth Proportional to 39,237.09, 54,148.25 and 21,333.33

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Solution

The fourth proportional to 39,237.09, 54,148.25 and 21,333.33 is: 29,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.09 : 54,148.25 = 21,333.33 : x
  2. Step 2: Convert to fraction form
    39,237.09/54,148.25 = 21,333.33/x
  3. Step 3: Cross multiply
    39,237.09x = 54,148.25 × 21,333.33
  4. Step 4: Simplify right side
    39,237.09x = 1,155,162,379.51
  5. Step 5: Solve for x
    x = 1,155,162,379.51/39,237.09
  6. Step 6: Final answer
    x = 29,440.57

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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.