Home / 38,451.28-53,062.68-21,684.16

Finding the Fourth Proportional to 38,451.28, 53,062.68 and 21,684.16

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Solution

The fourth proportional to 38,451.28, 53,062.68 and 21,684.16 is: 29,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.28 : 53,062.68 = 21,684.16 : x
  2. Step 2: Convert to fraction form
    38,451.28/53,062.68 = 21,684.16/x
  3. Step 3: Cross multiply
    38,451.28x = 53,062.68 × 21,684.16
  4. Step 4: Simplify right side
    38,451.28x = 1,150,619,643.15
  5. Step 5: Solve for x
    x = 1,150,619,643.15/38,451.28
  6. Step 6: Final answer
    x = 29,924.09

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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.