Home / 31,699.36-47,481.60-25,748.29

Finding the Fourth Proportional to 31,699.36, 47,481.60 and 25,748.29

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Solution

The fourth proportional to 31,699.36, 47,481.60 and 25,748.29 is: 38,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.36 : 47,481.60 = 25,748.29 : x
  2. Step 2: Convert to fraction form
    31,699.36/47,481.60 = 25,748.29/x
  3. Step 3: Cross multiply
    31,699.36x = 47,481.60 × 25,748.29
  4. Step 4: Simplify right side
    31,699.36x = 1,222,569,750.45
  5. Step 5: Solve for x
    x = 1,222,569,750.45/31,699.36
  6. Step 6: Final answer
    x = 38,567.65

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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.