Home / 55,014.48-82,548.99-21,758.40

Finding the Fourth Proportional to 55,014.48, 82,548.99 and 21,758.40

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Solution

The fourth proportional to 55,014.48, 82,548.99 and 21,758.40 is: 32,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,014.48 : 82,548.99 = 21,758.40 : x
  2. Step 2: Convert to fraction form
    55,014.48/82,548.99 = 21,758.40/x
  3. Step 3: Cross multiply
    55,014.48x = 82,548.99 × 21,758.40
  4. Step 4: Simplify right side
    55,014.48x = 1,796,133,944.02
  5. Step 5: Solve for x
    x = 1,796,133,944.02/55,014.48
  6. Step 6: Final answer
    x = 32,648.39

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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.