Home / 56,715.71-85,085.89-17,271.80

Finding the Fourth Proportional to 56,715.71, 85,085.89 and 17,271.80

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Solution

The fourth proportional to 56,715.71, 85,085.89 and 17,271.80 is: 25,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,715.71 : 85,085.89 = 17,271.80 : x
  2. Step 2: Convert to fraction form
    56,715.71/85,085.89 = 17,271.80/x
  3. Step 3: Cross multiply
    56,715.71x = 85,085.89 × 17,271.80
  4. Step 4: Simplify right side
    56,715.71x = 1,469,586,006.29
  5. Step 5: Solve for x
    x = 1,469,586,006.29/56,715.71
  6. Step 6: Final answer
    x = 25,911.44

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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.