Home / 38,893.45-53,673.90-21,898.26

Finding the Fourth Proportional to 38,893.45, 53,673.90 and 21,898.26

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Solution

The fourth proportional to 38,893.45, 53,673.90 and 21,898.26 is: 30,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.45 : 53,673.90 = 21,898.26 : x
  2. Step 2: Convert to fraction form
    38,893.45/53,673.90 = 21,898.26/x
  3. Step 3: Cross multiply
    38,893.45x = 53,673.90 × 21,898.26
  4. Step 4: Simplify right side
    38,893.45x = 1,175,365,017.41
  5. Step 5: Solve for x
    x = 1,175,365,017.41/38,893.45
  6. Step 6: Final answer
    x = 30,220.13

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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.