Home / 56,571.29-84,867.87-19,137.45

Finding the Fourth Proportional to 56,571.29, 84,867.87 and 19,137.45

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Solution

The fourth proportional to 56,571.29, 84,867.87 and 19,137.45 is: 28,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,571.29 : 84,867.87 = 19,137.45 : x
  2. Step 2: Convert to fraction form
    56,571.29/84,867.87 = 19,137.45/x
  3. Step 3: Cross multiply
    56,571.29x = 84,867.87 × 19,137.45
  4. Step 4: Simplify right side
    56,571.29x = 1,624,154,618.73
  5. Step 5: Solve for x
    x = 1,624,154,618.73/56,571.29
  6. Step 6: Final answer
    x = 28,709.87

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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.