Home / 38,674.33-53,367.32-21,447.19

Finding the Fourth Proportional to 38,674.33, 53,367.32 and 21,447.19

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Solution

The fourth proportional to 38,674.33, 53,367.32 and 21,447.19 is: 29,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674.33 : 53,367.32 = 21,447.19 : x
  2. Step 2: Convert to fraction form
    38,674.33/53,367.32 = 21,447.19/x
  3. Step 3: Cross multiply
    38,674.33x = 53,367.32 × 21,447.19
  4. Step 4: Simplify right side
    38,674.33x = 1,144,578,944.59
  5. Step 5: Solve for x
    x = 1,144,578,944.59/38,674.33
  6. Step 6: Final answer
    x = 29,595.31

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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.