Home / 40,116.60-60,157.84-12,040.64

Finding the Fourth Proportional to 40,116.60, 60,157.84 and 12,040.64

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Solution

The fourth proportional to 40,116.60, 60,157.84 and 12,040.64 is: 18,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.60 : 60,157.84 = 12,040.64 : x
  2. Step 2: Convert to fraction form
    40,116.60/60,157.84 = 12,040.64/x
  3. Step 3: Cross multiply
    40,116.60x = 60,157.84 × 12,040.64
  4. Step 4: Simplify right side
    40,116.60x = 724,338,894.62
  5. Step 5: Solve for x
    x = 724,338,894.62/40,116.60
  6. Step 6: Final answer
    x = 18,055.84

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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.