Home / 33,123.81-49,657.64-14,389.73

Finding the Fourth Proportional to 33,123.81, 49,657.64 and 14,389.73

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Solution

The fourth proportional to 33,123.81, 49,657.64 and 14,389.73 is: 21,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.81 : 49,657.64 = 14,389.73 : x
  2. Step 2: Convert to fraction form
    33,123.81/49,657.64 = 14,389.73/x
  3. Step 3: Cross multiply
    33,123.81x = 49,657.64 × 14,389.73
  4. Step 4: Simplify right side
    33,123.81x = 714,559,711.80
  5. Step 5: Solve for x
    x = 714,559,711.80/33,123.81
  6. Step 6: Final answer
    x = 21,572.39

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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.