Home / 51,433.76-77,174.68-18,178.94

Finding the Fourth Proportional to 51,433.76, 77,174.68 and 18,178.94

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Solution

The fourth proportional to 51,433.76, 77,174.68 and 18,178.94 is: 27,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.76 : 77,174.68 = 18,178.94 : x
  2. Step 2: Convert to fraction form
    51,433.76/77,174.68 = 18,178.94/x
  3. Step 3: Cross multiply
    51,433.76x = 77,174.68 × 18,178.94
  4. Step 4: Simplify right side
    51,433.76x = 1,402,953,877.24
  5. Step 5: Solve for x
    x = 1,402,953,877.24/51,433.76
  6. Step 6: Final answer
    x = 27,276.91

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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.