Home / 31,061.76-46,564.68-11,326.56

Finding the Fourth Proportional to 31,061.76, 46,564.68 and 11,326.56

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Solution

The fourth proportional to 31,061.76, 46,564.68 and 11,326.56 is: 16,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,061.76 : 46,564.68 = 11,326.56 : x
  2. Step 2: Convert to fraction form
    31,061.76/46,564.68 = 11,326.56/x
  3. Step 3: Cross multiply
    31,061.76x = 46,564.68 × 11,326.56
  4. Step 4: Simplify right side
    31,061.76x = 527,417,641.90
  5. Step 5: Solve for x
    x = 527,417,641.90/31,061.76
  6. Step 6: Final answer
    x = 16,979.64

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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.