Home / 40,102.39-55,303.44-29,915.92

Finding the Fourth Proportional to 40,102.39, 55,303.44 and 29,915.92

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Solution

The fourth proportional to 40,102.39, 55,303.44 and 29,915.92 is: 41,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.39 : 55,303.44 = 29,915.92 : x
  2. Step 2: Convert to fraction form
    40,102.39/55,303.44 = 29,915.92/x
  3. Step 3: Cross multiply
    40,102.39x = 55,303.44 × 29,915.92
  4. Step 4: Simplify right side
    40,102.39x = 1,654,453,286.76
  5. Step 5: Solve for x
    x = 1,654,453,286.76/40,102.39
  6. Step 6: Final answer
    x = 41,255.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.