Home / 55,051.36-82,631.92-25,476

Finding the Fourth Proportional to 55,051.36, 82,631.92 and 25,476

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Solution

The fourth proportional to 55,051.36, 82,631.92 and 25,476 is: 38,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.36 : 82,631.92 = 25,476 : x
  2. Step 2: Convert to fraction form
    55,051.36/82,631.92 = 25,476/x
  3. Step 3: Cross multiply
    55,051.36x = 82,631.92 × 25,476
  4. Step 4: Simplify right side
    55,051.36x = 2,105,130,793.92
  5. Step 5: Solve for x
    x = 2,105,130,793.92/55,051.36
  6. Step 6: Final answer
    x = 38,239.40

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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.