Home / 51,572.70-77,359.12-14,133.10

Finding the Fourth Proportional to 51,572.70, 77,359.12 and 14,133.10

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Solution

The fourth proportional to 51,572.70, 77,359.12 and 14,133.10 is: 21,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.70 : 77,359.12 = 14,133.10 : x
  2. Step 2: Convert to fraction form
    51,572.70/77,359.12 = 14,133.10/x
  3. Step 3: Cross multiply
    51,572.70x = 77,359.12 × 14,133.10
  4. Step 4: Simplify right side
    51,572.70x = 1,093,324,178.87
  5. Step 5: Solve for x
    x = 1,093,324,178.87/51,572.70
  6. Step 6: Final answer
    x = 21,199.67

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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.