Home / 31,035.66-46,572.17-11,315.90

Finding the Fourth Proportional to 31,035.66, 46,572.17 and 11,315.90

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Solution

The fourth proportional to 31,035.66, 46,572.17 and 11,315.90 is: 16,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,035.66 : 46,572.17 = 11,315.90 : x
  2. Step 2: Convert to fraction form
    31,035.66/46,572.17 = 11,315.90/x
  3. Step 3: Cross multiply
    31,035.66x = 46,572.17 × 11,315.90
  4. Step 4: Simplify right side
    31,035.66x = 527,006,078.35
  5. Step 5: Solve for x
    x = 527,006,078.35/31,035.66
  6. Step 6: Final answer
    x = 16,980.66

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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.