Home / 70,956.36-106,444.26-31,512.60

Finding the Fourth Proportional to 70,956.36, 106,444.26 and 31,512.60

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Solution

The fourth proportional to 70,956.36, 106,444.26 and 31,512.60 is: 47,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956.36 : 106,444.26 = 31,512.60 : x
  2. Step 2: Convert to fraction form
    70,956.36/106,444.26 = 31,512.60/x
  3. Step 3: Cross multiply
    70,956.36x = 106,444.26 × 31,512.60
  4. Step 4: Simplify right side
    70,956.36x = 3,354,335,387.68
  5. Step 5: Solve for x
    x = 3,354,335,387.68/70,956.36
  6. Step 6: Final answer
    x = 47,273.22

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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.