Home / 40,518.60-60,750.23-18,319.88

Finding the Fourth Proportional to 40,518.60, 60,750.23 and 18,319.88

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Solution

The fourth proportional to 40,518.60, 60,750.23 and 18,319.88 is: 27,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.60 : 60,750.23 = 18,319.88 : x
  2. Step 2: Convert to fraction form
    40,518.60/60,750.23 = 18,319.88/x
  3. Step 3: Cross multiply
    40,518.60x = 60,750.23 × 18,319.88
  4. Step 4: Simplify right side
    40,518.60x = 1,112,936,528.22
  5. Step 5: Solve for x
    x = 1,112,936,528.22/40,518.60
  6. Step 6: Final answer
    x = 27,467.30

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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.