Home / 31,340.90-46,981.37-11,614.16

Finding the Fourth Proportional to 31,340.90, 46,981.37 and 11,614.16

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Solution

The fourth proportional to 31,340.90, 46,981.37 and 11,614.16 is: 17,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.90 : 46,981.37 = 11,614.16 : x
  2. Step 2: Convert to fraction form
    31,340.90/46,981.37 = 11,614.16/x
  3. Step 3: Cross multiply
    31,340.90x = 46,981.37 × 11,614.16
  4. Step 4: Simplify right side
    31,340.90x = 545,648,855.22
  5. Step 5: Solve for x
    x = 545,648,855.22/31,340.90
  6. Step 6: Final answer
    x = 17,410.12

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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.