Home / 38,476.96-53,100.32-21,481.35

Finding the Fourth Proportional to 38,476.96, 53,100.32 and 21,481.35

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Solution

The fourth proportional to 38,476.96, 53,100.32 and 21,481.35 is: 29,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.96 : 53,100.32 = 21,481.35 : x
  2. Step 2: Convert to fraction form
    38,476.96/53,100.32 = 21,481.35/x
  3. Step 3: Cross multiply
    38,476.96x = 53,100.32 × 21,481.35
  4. Step 4: Simplify right side
    38,476.96x = 1,140,666,702.23
  5. Step 5: Solve for x
    x = 1,140,666,702.23/38,476.96
  6. Step 6: Final answer
    x = 29,645.45

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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.