Home / 55,081.64-82,622.36-15,639.14

Finding the Fourth Proportional to 55,081.64, 82,622.36 and 15,639.14

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Solution

The fourth proportional to 55,081.64, 82,622.36 and 15,639.14 is: 23,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,081.64 : 82,622.36 = 15,639.14 : x
  2. Step 2: Convert to fraction form
    55,081.64/82,622.36 = 15,639.14/x
  3. Step 3: Cross multiply
    55,081.64x = 82,622.36 × 15,639.14
  4. Step 4: Simplify right side
    55,081.64x = 1,292,142,655.17
  5. Step 5: Solve for x
    x = 1,292,142,655.17/55,081.64
  6. Step 6: Final answer
    x = 23,458.68

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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.