Home / 38,640,021.20-57,960,031.80-29,003,224.40

Finding the Fourth Proportional to 38,640,021.20, 57,960,031.80 and 29,003,224.40

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Solution

The fourth proportional to 38,640,021.20, 57,960,031.80 and 29,003,224.40 is: 43,504,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640,021.20 : 57,960,031.80 = 29,003,224.40 : x
  2. Step 2: Convert to fraction form
    38,640,021.20/57,960,031.80 = 29,003,224.40/x
  3. Step 3: Cross multiply
    38,640,021.20x = 57,960,031.80 × 29,003,224.40
  4. Step 4: Simplify right side
    38,640,021.20x = 1,681,027,808,526,535.75
  5. Step 5: Solve for x
    x = 1,681,027,808,526,535.75/38,640,021.20
  6. Step 6: Final answer
    x = 43,504,836.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.