Home / 31,049.19-46,547.64-13,505.79

Finding the Fourth Proportional to 31,049.19, 46,547.64 and 13,505.79

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Solution

The fourth proportional to 31,049.19, 46,547.64 and 13,505.79 is: 20,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.19 : 46,547.64 = 13,505.79 : x
  2. Step 2: Convert to fraction form
    31,049.19/46,547.64 = 13,505.79/x
  3. Step 3: Cross multiply
    31,049.19x = 46,547.64 × 13,505.79
  4. Step 4: Simplify right side
    31,049.19x = 628,662,650.84
  5. Step 5: Solve for x
    x = 628,662,650.84/31,049.19
  6. Step 6: Final answer
    x = 20,247.31

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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.