Home / 40,305.33-60,459.35-18,118.78

Finding the Fourth Proportional to 40,305.33, 60,459.35 and 18,118.78

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Solution

The fourth proportional to 40,305.33, 60,459.35 and 18,118.78 is: 27,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.33 : 60,459.35 = 18,118.78 : x
  2. Step 2: Convert to fraction form
    40,305.33/60,459.35 = 18,118.78/x
  3. Step 3: Cross multiply
    40,305.33x = 60,459.35 × 18,118.78
  4. Step 4: Simplify right side
    40,305.33x = 1,095,449,661.59
  5. Step 5: Solve for x
    x = 1,095,449,661.59/40,305.33
  6. Step 6: Final answer
    x = 27,178.78

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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.