Home / 60,366.21-90,383.09-30,638.66

Finding the Fourth Proportional to 60,366.21, 90,383.09 and 30,638.66

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Solution

The fourth proportional to 60,366.21, 90,383.09 and 30,638.66 is: 45,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,366.21 : 90,383.09 = 30,638.66 : x
  2. Step 2: Convert to fraction form
    60,366.21/90,383.09 = 30,638.66/x
  3. Step 3: Cross multiply
    60,366.21x = 90,383.09 × 30,638.66
  4. Step 4: Simplify right side
    60,366.21x = 2,769,216,331.49
  5. Step 5: Solve for x
    x = 2,769,216,331.49/60,366.21
  6. Step 6: Final answer
    x = 45,873.61

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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.