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Finding the Fourth Proportional to 56,472.83, 84,681.99 and 32,786.33

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Solution

The fourth proportional to 56,472.83, 84,681.99 and 32,786.33 is: 49,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.83 : 84,681.99 = 32,786.33 : x
  2. Step 2: Convert to fraction form
    56,472.83/84,681.99 = 32,786.33/x
  3. Step 3: Cross multiply
    56,472.83x = 84,681.99 × 32,786.33
  4. Step 4: Simplify right side
    56,472.83x = 2,776,411,245.79
  5. Step 5: Solve for x
    x = 2,776,411,245.79/56,472.83
  6. Step 6: Final answer
    x = 49,163.67

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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.