Home / 44,318.13-66,439.90-20,613.63

Finding the Fourth Proportional to 44,318.13, 66,439.90 and 20,613.63

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Solution

The fourth proportional to 44,318.13, 66,439.90 and 20,613.63 is: 30,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,318.13 : 66,439.90 = 20,613.63 : x
  2. Step 2: Convert to fraction form
    44,318.13/66,439.90 = 20,613.63/x
  3. Step 3: Cross multiply
    44,318.13x = 66,439.90 × 20,613.63
  4. Step 4: Simplify right side
    44,318.13x = 1,369,567,183.64
  5. Step 5: Solve for x
    x = 1,369,567,183.64/44,318.13
  6. Step 6: Final answer
    x = 30,903.09

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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.