Home / 39,029,735.52-53,861,098.32-21,385,834.35

Finding the Fourth Proportional to 39,029,735.52, 53,861,098.32 and 21,385,834.35

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Solution

The fourth proportional to 39,029,735.52, 53,861,098.32 and 21,385,834.35 is: 29,512,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,735.52 : 53,861,098.32 = 21,385,834.35 : x
  2. Step 2: Convert to fraction form
    39,029,735.52/53,861,098.32 = 21,385,834.35/x
  3. Step 3: Cross multiply
    39,029,735.52x = 53,861,098.32 × 21,385,834.35
  4. Step 4: Simplify right side
    39,029,735.52x = 1,151,864,526,378,604.25
  5. Step 5: Solve for x
    x = 1,151,864,526,378,604.25/39,029,735.52
  6. Step 6: Final answer
    x = 29,512,486.08

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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.