Home / 38,180.96-52,699.74-21,419.36

Finding the Fourth Proportional to 38,180.96, 52,699.74 and 21,419.36

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Solution

The fourth proportional to 38,180.96, 52,699.74 and 21,419.36 is: 29,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.96 : 52,699.74 = 21,419.36 : x
  2. Step 2: Convert to fraction form
    38,180.96/52,699.74 = 21,419.36/x
  3. Step 3: Cross multiply
    38,180.96x = 52,699.74 × 21,419.36
  4. Step 4: Simplify right side
    38,180.96x = 1,128,794,702.97
  5. Step 5: Solve for x
    x = 1,128,794,702.97/38,180.96
  6. Step 6: Final answer
    x = 29,564.34

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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.