Home / 45,477.30-68,210.46-12,199.89

Finding the Fourth Proportional to 45,477.30, 68,210.46 and 12,199.89

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Solution

The fourth proportional to 45,477.30, 68,210.46 and 12,199.89 is: 18,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.30 : 68,210.46 = 12,199.89 : x
  2. Step 2: Convert to fraction form
    45,477.30/68,210.46 = 12,199.89/x
  3. Step 3: Cross multiply
    45,477.30x = 68,210.46 × 12,199.89
  4. Step 4: Simplify right side
    45,477.30x = 832,160,108.85
  5. Step 5: Solve for x
    x = 832,160,108.85/45,477.30
  6. Step 6: Final answer
    x = 18,298.36

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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.