Home / 40,856.46-61,227.99-18,615.48

Finding the Fourth Proportional to 40,856.46, 61,227.99 and 18,615.48

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Solution

The fourth proportional to 40,856.46, 61,227.99 and 18,615.48 is: 27,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.46 : 61,227.99 = 18,615.48 : x
  2. Step 2: Convert to fraction form
    40,856.46/61,227.99 = 18,615.48/x
  3. Step 3: Cross multiply
    40,856.46x = 61,227.99 × 18,615.48
  4. Step 4: Simplify right side
    40,856.46x = 1,139,788,423.29
  5. Step 5: Solve for x
    x = 1,139,788,423.29/40,856.46
  6. Step 6: Final answer
    x = 27,897.39

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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.