Home / 34,886.50-48,144.63-19,985.38

Finding the Fourth Proportional to 34,886.50, 48,144.63 and 19,985.38

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Solution

The fourth proportional to 34,886.50, 48,144.63 and 19,985.38 is: 27,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.50 : 48,144.63 = 19,985.38 : x
  2. Step 2: Convert to fraction form
    34,886.50/48,144.63 = 19,985.38/x
  3. Step 3: Cross multiply
    34,886.50x = 48,144.63 × 19,985.38
  4. Step 4: Simplify right side
    34,886.50x = 962,188,680.09
  5. Step 5: Solve for x
    x = 962,188,680.09/34,886.50
  6. Step 6: Final answer
    x = 27,580.55

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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.