Home / 45,512.06-68,271.51-14,346.50

Finding the Fourth Proportional to 45,512.06, 68,271.51 and 14,346.50

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Solution

The fourth proportional to 45,512.06, 68,271.51 and 14,346.50 is: 21,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,512.06 : 68,271.51 = 14,346.50 : x
  2. Step 2: Convert to fraction form
    45,512.06/68,271.51 = 14,346.50/x
  3. Step 3: Cross multiply
    45,512.06x = 68,271.51 × 14,346.50
  4. Step 4: Simplify right side
    45,512.06x = 979,457,218.22
  5. Step 5: Solve for x
    x = 979,457,218.22/45,512.06
  6. Step 6: Final answer
    x = 21,520.83

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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.