Home / 31,688.82-47,579.81-17,676.23

Finding the Fourth Proportional to 31,688.82, 47,579.81 and 17,676.23

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Solution

The fourth proportional to 31,688.82, 47,579.81 and 17,676.23 is: 26,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.82 : 47,579.81 = 17,676.23 : x
  2. Step 2: Convert to fraction form
    31,688.82/47,579.81 = 17,676.23/x
  3. Step 3: Cross multiply
    31,688.82x = 47,579.81 × 17,676.23
  4. Step 4: Simplify right side
    31,688.82x = 841,031,338.64
  5. Step 5: Solve for x
    x = 841,031,338.64/31,688.82
  6. Step 6: Final answer
    x = 26,540.32

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1.5x scale

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.