Home / 38,742.06-53,464.84-21,747.53

Finding the Fourth Proportional to 38,742.06, 53,464.84 and 21,747.53

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Solution

The fourth proportional to 38,742.06, 53,464.84 and 21,747.53 is: 30,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.06 : 53,464.84 = 21,747.53 : x
  2. Step 2: Convert to fraction form
    38,742.06/53,464.84 = 21,747.53/x
  3. Step 3: Cross multiply
    38,742.06x = 53,464.84 × 21,747.53
  4. Step 4: Simplify right side
    38,742.06x = 1,162,728,291.14
  5. Step 5: Solve for x
    x = 1,162,728,291.14/38,742.06
  6. Step 6: Final answer
    x = 30,012.04

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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.