Home / 57,461.74-86,192.47-18,018.79

Finding the Fourth Proportional to 57,461.74, 86,192.47 and 18,018.79

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Solution

The fourth proportional to 57,461.74, 86,192.47 and 18,018.79 is: 27,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,461.74 : 86,192.47 = 18,018.79 : x
  2. Step 2: Convert to fraction form
    57,461.74/86,192.47 = 18,018.79/x
  3. Step 3: Cross multiply
    57,461.74x = 86,192.47 × 18,018.79
  4. Step 4: Simplify right side
    57,461.74x = 1,553,084,016.51
  5. Step 5: Solve for x
    x = 1,553,084,016.51/57,461.74
  6. Step 6: Final answer
    x = 27,028.14

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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.