Home / 43,631.70-65,447.55-40,424.10

Finding the Fourth Proportional to 43,631.70, 65,447.55 and 40,424.10

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Solution

The fourth proportional to 43,631.70, 65,447.55 and 40,424.10 is: 60,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,631.70 : 65,447.55 = 40,424.10 : x
  2. Step 2: Convert to fraction form
    43,631.70/65,447.55 = 40,424.10/x
  3. Step 3: Cross multiply
    43,631.70x = 65,447.55 × 40,424.10
  4. Step 4: Simplify right side
    43,631.70x = 2,645,658,305.96
  5. Step 5: Solve for x
    x = 2,645,658,305.96/43,631.70
  6. Step 6: Final answer
    x = 60,636.15

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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.