Home / 31,046.18-46,543.14-13,502.79

Finding the Fourth Proportional to 31,046.18, 46,543.14 and 13,502.79

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Solution

The fourth proportional to 31,046.18, 46,543.14 and 13,502.79 is: 20,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046.18 : 46,543.14 = 13,502.79 : x
  2. Step 2: Convert to fraction form
    31,046.18/46,543.14 = 13,502.79/x
  3. Step 3: Cross multiply
    31,046.18x = 46,543.14 × 13,502.79
  4. Step 4: Simplify right side
    31,046.18x = 628,462,245.36
  5. Step 5: Solve for x
    x = 628,462,245.36/31,046.18
  6. Step 6: Final answer
    x = 20,242.82

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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.