Home / 38,212.56-52,732.26-21,215.88

Finding the Fourth Proportional to 38,212.56, 52,732.26 and 21,215.88

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Solution

The fourth proportional to 38,212.56, 52,732.26 and 21,215.88 is: 29,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.56 : 52,732.26 = 21,215.88 : x
  2. Step 2: Convert to fraction form
    38,212.56/52,732.26 = 21,215.88/x
  3. Step 3: Cross multiply
    38,212.56x = 52,732.26 × 21,215.88
  4. Step 4: Simplify right side
    38,212.56x = 1,118,761,300.29
  5. Step 5: Solve for x
    x = 1,118,761,300.29/38,212.56
  6. Step 6: Final answer
    x = 29,277.32

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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.