Home / 55,071.78-82,607.64-15,629.22

Finding the Fourth Proportional to 55,071.78, 82,607.64 and 15,629.22

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Solution

The fourth proportional to 55,071.78, 82,607.64 and 15,629.22 is: 23,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.78 : 82,607.64 = 15,629.22 : x
  2. Step 2: Convert to fraction form
    55,071.78/82,607.64 = 15,629.22/x
  3. Step 3: Cross multiply
    55,071.78x = 82,607.64 × 15,629.22
  4. Step 4: Simplify right side
    55,071.78x = 1,291,092,979.24
  5. Step 5: Solve for x
    x = 1,291,092,979.24/55,071.78
  6. Step 6: Final answer
    x = 23,443.82

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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.