Home / 31,280.34-46,914.03-11,545.41

Finding the Fourth Proportional to 31,280.34, 46,914.03 and 11,545.41

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Solution

The fourth proportional to 31,280.34, 46,914.03 and 11,545.41 is: 17,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.34 : 46,914.03 = 11,545.41 : x
  2. Step 2: Convert to fraction form
    31,280.34/46,914.03 = 11,545.41/x
  3. Step 3: Cross multiply
    31,280.34x = 46,914.03 × 11,545.41
  4. Step 4: Simplify right side
    31,280.34x = 541,641,711.10
  5. Step 5: Solve for x
    x = 541,641,711.10/31,280.34
  6. Step 6: Final answer
    x = 17,315.72

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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.