Home / 37,839.08-52,212.48-21,920.60

Finding the Fourth Proportional to 37,839.08, 52,212.48 and 21,920.60

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Solution

The fourth proportional to 37,839.08, 52,212.48 and 21,920.60 is: 30,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,839.08 : 52,212.48 = 21,920.60 : x
  2. Step 2: Convert to fraction form
    37,839.08/52,212.48 = 21,920.60/x
  3. Step 3: Cross multiply
    37,839.08x = 52,212.48 × 21,920.60
  4. Step 4: Simplify right side
    37,839.08x = 1,144,528,889.09
  5. Step 5: Solve for x
    x = 1,144,528,889.09/37,839.08
  6. Step 6: Final answer
    x = 30,247.27

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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.