Home / 31,046.72-46,541.99-11,320.66

Finding the Fourth Proportional to 31,046.72, 46,541.99 and 11,320.66

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Solution

The fourth proportional to 31,046.72, 46,541.99 and 11,320.66 is: 16,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046.72 : 46,541.99 = 11,320.66 : x
  2. Step 2: Convert to fraction form
    31,046.72/46,541.99 = 11,320.66/x
  3. Step 3: Cross multiply
    31,046.72x = 46,541.99 × 11,320.66
  4. Step 4: Simplify right side
    31,046.72x = 526,886,044.51
  5. Step 5: Solve for x
    x = 526,886,044.51/31,046.72
  6. Step 6: Final answer
    x = 16,970.75

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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.