Home / 45,469.31-68,214.50-14,303.75

Finding the Fourth Proportional to 45,469.31, 68,214.50 and 14,303.75

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Solution

The fourth proportional to 45,469.31, 68,214.50 and 14,303.75 is: 21,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,469.31 : 68,214.50 = 14,303.75 : x
  2. Step 2: Convert to fraction form
    45,469.31/68,214.50 = 14,303.75/x
  3. Step 3: Cross multiply
    45,469.31x = 68,214.50 × 14,303.75
  4. Step 4: Simplify right side
    45,469.31x = 975,723,082.86
  5. Step 5: Solve for x
    x = 975,723,082.86/45,469.31
  6. Step 6: Final answer
    x = 21,458.94

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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.