Home / 51,764.46-77,663.10-18,483.81

Finding the Fourth Proportional to 51,764.46, 77,663.10 and 18,483.81

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Solution

The fourth proportional to 51,764.46, 77,663.10 and 18,483.81 is: 27,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,764.46 : 77,663.10 = 18,483.81 : x
  2. Step 2: Convert to fraction form
    51,764.46/77,663.10 = 18,483.81/x
  3. Step 3: Cross multiply
    51,764.46x = 77,663.10 × 18,483.81
  4. Step 4: Simplify right side
    51,764.46x = 1,435,509,984.41
  5. Step 5: Solve for x
    x = 1,435,509,984.41/51,764.46
  6. Step 6: Final answer
    x = 27,731.57

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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.