Home / 39,653.46-54,721.46-21,748.14

Finding the Fourth Proportional to 39,653.46, 54,721.46 and 21,748.14

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Solution

The fourth proportional to 39,653.46, 54,721.46 and 21,748.14 is: 30,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.46 : 54,721.46 = 21,748.14 : x
  2. Step 2: Convert to fraction form
    39,653.46/54,721.46 = 21,748.14/x
  3. Step 3: Cross multiply
    39,653.46x = 54,721.46 × 21,748.14
  4. Step 4: Simplify right side
    39,653.46x = 1,190,089,864.34
  5. Step 5: Solve for x
    x = 1,190,089,864.34/39,653.46
  6. Step 6: Final answer
    x = 30,012.26

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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.