Home / 45,440.43-68,156.46-12,159.33

Finding the Fourth Proportional to 45,440.43, 68,156.46 and 12,159.33

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Solution

The fourth proportional to 45,440.43, 68,156.46 and 12,159.33 is: 18,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,440.43 : 68,156.46 = 12,159.33 : x
  2. Step 2: Convert to fraction form
    45,440.43/68,156.46 = 12,159.33/x
  3. Step 3: Cross multiply
    45,440.43x = 68,156.46 × 12,159.33
  4. Step 4: Simplify right side
    45,440.43x = 828,736,888.77
  5. Step 5: Solve for x
    x = 828,736,888.77/45,440.43
  6. Step 6: Final answer
    x = 18,237.88

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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.