Home / 58,172.64-87,272.40-18,189.36

Finding the Fourth Proportional to 58,172.64, 87,272.40 and 18,189.36

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Solution

The fourth proportional to 58,172.64, 87,272.40 and 18,189.36 is: 27,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.64 : 87,272.40 = 18,189.36 : x
  2. Step 2: Convert to fraction form
    58,172.64/87,272.40 = 18,189.36/x
  3. Step 3: Cross multiply
    58,172.64x = 87,272.40 × 18,189.36
  4. Step 4: Simplify right side
    58,172.64x = 1,587,429,101.66
  5. Step 5: Solve for x
    x = 1,587,429,101.66/58,172.64
  6. Step 6: Final answer
    x = 27,288.24

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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.