Home / 56,571.79-84,868.62-19,137.95

Finding the Fourth Proportional to 56,571.79, 84,868.62 and 19,137.95

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Solution

The fourth proportional to 56,571.79, 84,868.62 and 19,137.95 is: 28,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,571.79 : 84,868.62 = 19,137.95 : x
  2. Step 2: Convert to fraction form
    56,571.79/84,868.62 = 19,137.95/x
  3. Step 3: Cross multiply
    56,571.79x = 84,868.62 × 19,137.95
  4. Step 4: Simplify right side
    56,571.79x = 1,624,211,406.13
  5. Step 5: Solve for x
    x = 1,624,211,406.13/56,571.79
  6. Step 6: Final answer
    x = 28,710.62

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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.