Home / 35,672.18-53,461.78-19,876.57

Finding the Fourth Proportional to 35,672.18, 53,461.78 and 19,876.57

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Solution

The fourth proportional to 35,672.18, 53,461.78 and 19,876.57 is: 29,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.18 : 53,461.78 = 19,876.57 : x
  2. Step 2: Convert to fraction form
    35,672.18/53,461.78 = 19,876.57/x
  3. Step 3: Cross multiply
    35,672.18x = 53,461.78 × 19,876.57
  4. Step 4: Simplify right side
    35,672.18x = 1,062,636,629.15
  5. Step 5: Solve for x
    x = 1,062,636,629.15/35,672.18
  6. Step 6: Final answer
    x = 29,788.95

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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.