Home / 55,107.39-82,637.77-19,577.60

Finding the Fourth Proportional to 55,107.39, 82,637.77 and 19,577.60

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Solution

The fourth proportional to 55,107.39, 82,637.77 and 19,577.60 is: 29,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.39 : 82,637.77 = 19,577.60 : x
  2. Step 2: Convert to fraction form
    55,107.39/82,637.77 = 19,577.60/x
  3. Step 3: Cross multiply
    55,107.39x = 82,637.77 × 19,577.60
  4. Step 4: Simplify right side
    55,107.39x = 1,617,849,090.42
  5. Step 5: Solve for x
    x = 1,617,849,090.42/55,107.39
  6. Step 6: Final answer
    x = 29,358.12

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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.