Home / 31,103.08-46,638.76-11,376.52

Finding the Fourth Proportional to 31,103.08, 46,638.76 and 11,376.52

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Solution

The fourth proportional to 31,103.08, 46,638.76 and 11,376.52 is: 17,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103.08 : 46,638.76 = 11,376.52 : x
  2. Step 2: Convert to fraction form
    31,103.08/46,638.76 = 11,376.52/x
  3. Step 3: Cross multiply
    31,103.08x = 46,638.76 × 11,376.52
  4. Step 4: Simplify right side
    31,103.08x = 530,586,785.92
  5. Step 5: Solve for x
    x = 530,586,785.92/31,103.08
  6. Step 6: Final answer
    x = 17,058.98

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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.