Home / 31,983.21-47,966.99-14,204.07

Finding the Fourth Proportional to 31,983.21, 47,966.99 and 14,204.07

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Solution

The fourth proportional to 31,983.21, 47,966.99 and 14,204.07 is: 21,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.21 : 47,966.99 = 14,204.07 : x
  2. Step 2: Convert to fraction form
    31,983.21/47,966.99 = 14,204.07/x
  3. Step 3: Cross multiply
    31,983.21x = 47,966.99 × 14,204.07
  4. Step 4: Simplify right side
    31,983.21x = 681,326,412.63
  5. Step 5: Solve for x
    x = 681,326,412.63/31,983.21
  6. Step 6: Final answer
    x = 21,302.63

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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.