Home / 45,379.72-68,073.18-14,214.88

Finding the Fourth Proportional to 45,379.72, 68,073.18 and 14,214.88

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Solution

The fourth proportional to 45,379.72, 68,073.18 and 14,214.88 is: 21,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,379.72 : 68,073.18 = 14,214.88 : x
  2. Step 2: Convert to fraction form
    45,379.72/68,073.18 = 14,214.88/x
  3. Step 3: Cross multiply
    45,379.72x = 68,073.18 × 14,214.88
  4. Step 4: Simplify right side
    45,379.72x = 967,652,084.92
  5. Step 5: Solve for x
    x = 967,652,084.92/45,379.72
  6. Step 6: Final answer
    x = 21,323.45

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1.5x scale

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.