Home / 43,302.24-64,949.68-13,715.76

Finding the Fourth Proportional to 43,302.24, 64,949.68 and 13,715.76

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Solution

The fourth proportional to 43,302.24, 64,949.68 and 13,715.76 is: 20,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.24 : 64,949.68 = 13,715.76 : x
  2. Step 2: Convert to fraction form
    43,302.24/64,949.68 = 13,715.76/x
  3. Step 3: Cross multiply
    43,302.24x = 64,949.68 × 13,715.76
  4. Step 4: Simplify right side
    43,302.24x = 890,834,222.96
  5. Step 5: Solve for x
    x = 890,834,222.96/43,302.24
  6. Step 6: Final answer
    x = 20,572.47

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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.