Home / 57,448.32-86,172.48-18,005.64

Finding the Fourth Proportional to 57,448.32, 86,172.48 and 18,005.64

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Solution

The fourth proportional to 57,448.32, 86,172.48 and 18,005.64 is: 27,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448.32 : 86,172.48 = 18,005.64 : x
  2. Step 2: Convert to fraction form
    57,448.32/86,172.48 = 18,005.64/x
  3. Step 3: Cross multiply
    57,448.32x = 86,172.48 × 18,005.64
  4. Step 4: Simplify right side
    57,448.32x = 1,551,590,652.79
  5. Step 5: Solve for x
    x = 1,551,590,652.79/57,448.32
  6. Step 6: Final answer
    x = 27,008.46

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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.