Home / 38,532.22-53,173.80-21,536.80

Finding the Fourth Proportional to 38,532.22, 53,173.80 and 21,536.80

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Solution

The fourth proportional to 38,532.22, 53,173.80 and 21,536.80 is: 29,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,532.22 : 53,173.80 = 21,536.80 : x
  2. Step 2: Convert to fraction form
    38,532.22/53,173.80 = 21,536.80/x
  3. Step 3: Cross multiply
    38,532.22x = 53,173.80 × 21,536.80
  4. Step 4: Simplify right side
    38,532.22x = 1,145,193,495.84
  5. Step 5: Solve for x
    x = 1,145,193,495.84/38,532.22
  6. Step 6: Final answer
    x = 29,720.41

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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.