Home / 45,288.62-67,929.66-14,123.06

Finding the Fourth Proportional to 45,288.62, 67,929.66 and 14,123.06

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Solution

The fourth proportional to 45,288.62, 67,929.66 and 14,123.06 is: 21,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.62 : 67,929.66 = 14,123.06 : x
  2. Step 2: Convert to fraction form
    45,288.62/67,929.66 = 14,123.06/x
  3. Step 3: Cross multiply
    45,288.62x = 67,929.66 × 14,123.06
  4. Step 4: Simplify right side
    45,288.62x = 959,374,663.96
  5. Step 5: Solve for x
    x = 959,374,663.96/45,288.62
  6. Step 6: Final answer
    x = 21,183.57

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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.