Home / 55,410.04-83,089.76-19,857.62

Finding the Fourth Proportional to 55,410.04, 83,089.76 and 19,857.62

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Solution

The fourth proportional to 55,410.04, 83,089.76 and 19,857.62 is: 29,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,410.04 : 83,089.76 = 19,857.62 : x
  2. Step 2: Convert to fraction form
    55,410.04/83,089.76 = 19,857.62/x
  3. Step 3: Cross multiply
    55,410.04x = 83,089.76 × 19,857.62
  4. Step 4: Simplify right side
    55,410.04x = 1,649,964,464.52
  5. Step 5: Solve for x
    x = 1,649,964,464.52/55,410.04
  6. Step 6: Final answer
    x = 29,777.36

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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.