Home / 31,688.73-47,579.81-17,676.14

Finding the Fourth Proportional to 31,688.73, 47,579.81 and 17,676.14

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Solution

The fourth proportional to 31,688.73, 47,579.81 and 17,676.14 is: 26,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.73 : 47,579.81 = 17,676.14 : x
  2. Step 2: Convert to fraction form
    31,688.73/47,579.81 = 17,676.14/x
  3. Step 3: Cross multiply
    31,688.73x = 47,579.81 × 17,676.14
  4. Step 4: Simplify right side
    31,688.73x = 841,027,056.45
  5. Step 5: Solve for x
    x = 841,027,056.45/31,688.73
  6. Step 6: Final answer
    x = 26,540.26

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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.