Home / 43,004.48-64,473.60-13,404.80

Finding the Fourth Proportional to 43,004.48, 64,473.60 and 13,404.80

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Solution

The fourth proportional to 43,004.48, 64,473.60 and 13,404.80 is: 20,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,004.48 : 64,473.60 = 13,404.80 : x
  2. Step 2: Convert to fraction form
    43,004.48/64,473.60 = 13,404.80/x
  3. Step 3: Cross multiply
    43,004.48x = 64,473.60 × 13,404.80
  4. Step 4: Simplify right side
    43,004.48x = 864,255,713.28
  5. Step 5: Solve for x
    x = 864,255,713.28/43,004.48
  6. Step 6: Final answer
    x = 20,096.88

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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.