Home / 31,904.96-47,827.87-14,126.15

Finding the Fourth Proportional to 31,904.96, 47,827.87 and 14,126.15

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Solution

The fourth proportional to 31,904.96, 47,827.87 and 14,126.15 is: 21,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,904.96 : 47,827.87 = 14,126.15 : x
  2. Step 2: Convert to fraction form
    31,904.96/47,827.87 = 14,126.15/x
  3. Step 3: Cross multiply
    31,904.96x = 47,827.87 × 14,126.15
  4. Step 4: Simplify right side
    31,904.96x = 675,623,356.03
  5. Step 5: Solve for x
    x = 675,623,356.03/31,904.96
  6. Step 6: Final answer
    x = 21,176.12

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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.