Home / 70,029.32-96,630.90-40,221.32

Finding the Fourth Proportional to 70,029.32, 96,630.90 and 40,221.32

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Solution

The fourth proportional to 70,029.32, 96,630.90 and 40,221.32 is: 55,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,029.32 : 96,630.90 = 40,221.32 : x
  2. Step 2: Convert to fraction form
    70,029.32/96,630.90 = 40,221.32/x
  3. Step 3: Cross multiply
    70,029.32x = 96,630.90 × 40,221.32
  4. Step 4: Simplify right side
    70,029.32x = 3,886,622,350.79
  5. Step 5: Solve for x
    x = 3,886,622,350.79/70,029.32
  6. Step 6: Final answer
    x = 55,499.93

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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.