Home / 45,379.20-68,070.72-14,214.72

Finding the Fourth Proportional to 45,379.20, 68,070.72 and 14,214.72

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Solution

The fourth proportional to 45,379.20, 68,070.72 and 14,214.72 is: 21,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,379.20 : 68,070.72 = 14,214.72 : x
  2. Step 2: Convert to fraction form
    45,379.20/68,070.72 = 14,214.72/x
  3. Step 3: Cross multiply
    45,379.20x = 68,070.72 × 14,214.72
  4. Step 4: Simplify right side
    45,379.20x = 967,606,225.00
  5. Step 5: Solve for x
    x = 967,606,225.00/45,379.20
  6. Step 6: Final answer
    x = 21,322.68

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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.