Home / 31,649.76-47,396.88-25,365.60

Finding the Fourth Proportional to 31,649.76, 47,396.88 and 25,365.60

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Solution

The fourth proportional to 31,649.76, 47,396.88 and 25,365.60 is: 37,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,649.76 : 47,396.88 = 25,365.60 : x
  2. Step 2: Convert to fraction form
    31,649.76/47,396.88 = 25,365.60/x
  3. Step 3: Cross multiply
    31,649.76x = 47,396.88 × 25,365.60
  4. Step 4: Simplify right side
    31,649.76x = 1,202,250,299.33
  5. Step 5: Solve for x
    x = 1,202,250,299.33/31,649.76
  6. Step 6: Final answer
    x = 37,986.08

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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.