Home / 38,447.09-53,059.35-21,451.37

Finding the Fourth Proportional to 38,447.09, 53,059.35 and 21,451.37

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Solution

The fourth proportional to 38,447.09, 53,059.35 and 21,451.37 is: 29,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,447.09 : 53,059.35 = 21,451.37 : x
  2. Step 2: Convert to fraction form
    38,447.09/53,059.35 = 21,451.37/x
  3. Step 3: Cross multiply
    38,447.09x = 53,059.35 × 21,451.37
  4. Step 4: Simplify right side
    38,447.09x = 1,138,195,483.51
  5. Step 5: Solve for x
    x = 1,138,195,483.51/38,447.09
  6. Step 6: Final answer
    x = 29,604.21

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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.