Home / 38,964.24-53,766.54-21,964.68

Finding the Fourth Proportional to 38,964.24, 53,766.54 and 21,964.68

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Solution

The fourth proportional to 38,964.24, 53,766.54 and 21,964.68 is: 30,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964.24 : 53,766.54 = 21,964.68 : x
  2. Step 2: Convert to fraction form
    38,964.24/53,766.54 = 21,964.68/x
  3. Step 3: Cross multiply
    38,964.24x = 53,766.54 × 21,964.68
  4. Step 4: Simplify right side
    38,964.24x = 1,180,964,845.81
  5. Step 5: Solve for x
    x = 1,180,964,845.81/38,964.24
  6. Step 6: Final answer
    x = 30,308.94

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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.