Home / 43,401.58-65,102.18-18,437.80

Finding the Fourth Proportional to 43,401.58, 65,102.18 and 18,437.80

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Solution

The fourth proportional to 43,401.58, 65,102.18 and 18,437.80 is: 27,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,401.58 : 65,102.18 = 18,437.80 : x
  2. Step 2: Convert to fraction form
    43,401.58/65,102.18 = 18,437.80/x
  3. Step 3: Cross multiply
    43,401.58x = 65,102.18 × 18,437.80
  4. Step 4: Simplify right side
    43,401.58x = 1,200,340,974.40
  5. Step 5: Solve for x
    x = 1,200,340,974.40/43,401.58
  6. Step 6: Final answer
    x = 27,656.62

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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.