Home / 38,964.03-53,767.65-21,968.88

Finding the Fourth Proportional to 38,964.03, 53,767.65 and 21,968.88

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Solution

The fourth proportional to 38,964.03, 53,767.65 and 21,968.88 is: 30,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964.03 : 53,767.65 = 21,968.88 : x
  2. Step 2: Convert to fraction form
    38,964.03/53,767.65 = 21,968.88/x
  3. Step 3: Cross multiply
    38,964.03x = 53,767.65 × 21,968.88
  4. Step 4: Simplify right side
    38,964.03x = 1,181,215,050.73
  5. Step 5: Solve for x
    x = 1,181,215,050.73/38,964.03
  6. Step 6: Final answer
    x = 30,315.53

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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.