Home / 67,076.39-100,661.74-31,539.34

Finding the Fourth Proportional to 67,076.39, 100,661.74 and 31,539.34

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Solution

The fourth proportional to 67,076.39, 100,661.74 and 31,539.34 is: 47,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.39 : 100,661.74 = 31,539.34 : x
  2. Step 2: Convert to fraction form
    67,076.39/100,661.74 = 31,539.34/x
  3. Step 3: Cross multiply
    67,076.39x = 100,661.74 × 31,539.34
  4. Step 4: Simplify right side
    67,076.39x = 3,174,804,512.35
  5. Step 5: Solve for x
    x = 3,174,804,512.35/67,076.39
  6. Step 6: Final answer
    x = 47,331.18

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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.