Home / 31,688.91-47,580.09-17,676.31

Finding the Fourth Proportional to 31,688.91, 47,580.09 and 17,676.31

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Solution

The fourth proportional to 31,688.91, 47,580.09 and 17,676.31 is: 26,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.91 : 47,580.09 = 17,676.31 : x
  2. Step 2: Convert to fraction form
    31,688.91/47,580.09 = 17,676.31/x
  3. Step 3: Cross multiply
    31,688.91x = 47,580.09 × 17,676.31
  4. Step 4: Simplify right side
    31,688.91x = 841,040,332.29
  5. Step 5: Solve for x
    x = 841,040,332.29/31,688.91
  6. Step 6: Final answer
    x = 26,540.53

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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.