Home / 40,848.18-61,272.31-12,768.38

Finding the Fourth Proportional to 40,848.18, 61,272.31 and 12,768.38

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Solution

The fourth proportional to 40,848.18, 61,272.31 and 12,768.38 is: 19,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,848.18 : 61,272.31 = 12,768.38 : x
  2. Step 2: Convert to fraction form
    40,848.18/61,272.31 = 12,768.38/x
  3. Step 3: Cross multiply
    40,848.18x = 61,272.31 × 12,768.38
  4. Step 4: Simplify right side
    40,848.18x = 782,348,137.56
  5. Step 5: Solve for x
    x = 782,348,137.56/40,848.18
  6. Step 6: Final answer
    x = 19,152.58

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1.5x scale

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.