Home / 38,436,401.57-53,042,232.56-21,032,748.26

Finding the Fourth Proportional to 38,436,401.57, 53,042,232.56 and 21,032,748.26

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Solution

The fourth proportional to 38,436,401.57, 53,042,232.56 and 21,032,748.26 is: 29,025,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,401.57 : 53,042,232.56 = 21,032,748.26 : x
  2. Step 2: Convert to fraction form
    38,436,401.57/53,042,232.56 = 21,032,748.26/x
  3. Step 3: Cross multiply
    38,436,401.57x = 53,042,232.56 × 21,032,748.26
  4. Step 4: Simplify right side
    38,436,401.57x = 1,115,623,924,212,480.38
  5. Step 5: Solve for x
    x = 1,115,623,924,212,480.38/38,436,401.57
  6. Step 6: Final answer
    x = 29,025,191.71

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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.