Home / 39,726.48-59,596.20-12,018

Finding the Fourth Proportional to 39,726.48, 59,596.20 and 12,018

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Solution

The fourth proportional to 39,726.48, 59,596.20 and 12,018 is: 18,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,726.48 : 59,596.20 = 12,018 : x
  2. Step 2: Convert to fraction form
    39,726.48/59,596.20 = 12,018/x
  3. Step 3: Cross multiply
    39,726.48x = 59,596.20 × 12,018
  4. Step 4: Simplify right side
    39,726.48x = 716,227,131.60
  5. Step 5: Solve for x
    x = 716,227,131.60/39,726.48
  6. Step 6: Final answer
    x = 18,028.96

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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.