Home / 31,117.14-46,649.25-14,486.81

Finding the Fourth Proportional to 31,117.14, 46,649.25 and 14,486.81

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Solution

The fourth proportional to 31,117.14, 46,649.25 and 14,486.81 is: 21,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.14 : 46,649.25 = 14,486.81 : x
  2. Step 2: Convert to fraction form
    31,117.14/46,649.25 = 14,486.81/x
  3. Step 3: Cross multiply
    31,117.14x = 46,649.25 × 14,486.81
  4. Step 4: Simplify right side
    31,117.14x = 675,798,588.15
  5. Step 5: Solve for x
    x = 675,798,588.15/31,117.14
  6. Step 6: Final answer
    x = 21,717.89

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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.