Home / 40,455.51-60,673.54-20,723.91

Finding the Fourth Proportional to 40,455.51, 60,673.54 and 20,723.91

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Solution

The fourth proportional to 40,455.51, 60,673.54 and 20,723.91 is: 31,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.51 : 60,673.54 = 20,723.91 : x
  2. Step 2: Convert to fraction form
    40,455.51/60,673.54 = 20,723.91/x
  3. Step 3: Cross multiply
    40,455.51x = 60,673.54 × 20,723.91
  4. Step 4: Simplify right side
    40,455.51x = 1,257,392,982.34
  5. Step 5: Solve for x
    x = 1,257,392,982.34/40,455.51
  6. Step 6: Final answer
    x = 31,080.88

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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.