Home / 40,998.78-56,168.51-39,462.98

Finding the Fourth Proportional to 40,998.78, 56,168.51 and 39,462.98

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Solution

The fourth proportional to 40,998.78, 56,168.51 and 39,462.98 is: 54,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,998.78 : 56,168.51 = 39,462.98 : x
  2. Step 2: Convert to fraction form
    40,998.78/56,168.51 = 39,462.98/x
  3. Step 3: Cross multiply
    40,998.78x = 56,168.51 × 39,462.98
  4. Step 4: Simplify right side
    40,998.78x = 2,216,576,786.76
  5. Step 5: Solve for x
    x = 2,216,576,786.76/40,998.78
  6. Step 6: Final answer
    x = 54,064.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.