Home / 31,537.30-47,305.95-12,827.51

Finding the Fourth Proportional to 31,537.30, 47,305.95 and 12,827.51

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Solution

The fourth proportional to 31,537.30, 47,305.95 and 12,827.51 is: 19,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.30 : 47,305.95 = 12,827.51 : x
  2. Step 2: Convert to fraction form
    31,537.30/47,305.95 = 12,827.51/x
  3. Step 3: Cross multiply
    31,537.30x = 47,305.95 × 12,827.51
  4. Step 4: Simplify right side
    31,537.30x = 606,817,575.25
  5. Step 5: Solve for x
    x = 606,817,575.25/31,537.30
  6. Step 6: Final answer
    x = 19,241.27

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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.