Home / 31,008.16-46,469.20-14,331.52

Finding the Fourth Proportional to 31,008.16, 46,469.20 and 14,331.52

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Solution

The fourth proportional to 31,008.16, 46,469.20 and 14,331.52 is: 21,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008.16 : 46,469.20 = 14,331.52 : x
  2. Step 2: Convert to fraction form
    31,008.16/46,469.20 = 14,331.52/x
  3. Step 3: Cross multiply
    31,008.16x = 46,469.20 × 14,331.52
  4. Step 4: Simplify right side
    31,008.16x = 665,974,269.18
  5. Step 5: Solve for x
    x = 665,974,269.18/31,008.16
  6. Step 6: Final answer
    x = 21,477.39

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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.