Home / 45,973.76-68,959.20-12,695.84

Finding the Fourth Proportional to 45,973.76, 68,959.20 and 12,695.84

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Solution

The fourth proportional to 45,973.76, 68,959.20 and 12,695.84 is: 19,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.76 : 68,959.20 = 12,695.84 : x
  2. Step 2: Convert to fraction form
    45,973.76/68,959.20 = 12,695.84/x
  3. Step 3: Cross multiply
    45,973.76x = 68,959.20 × 12,695.84
  4. Step 4: Simplify right side
    45,973.76x = 875,494,969.73
  5. Step 5: Solve for x
    x = 875,494,969.73/45,973.76
  6. Step 6: Final answer
    x = 19,043.36

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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.