Home / 55,055.12-82,588.15-17,605.79

Finding the Fourth Proportional to 55,055.12, 82,588.15 and 17,605.79

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Solution

The fourth proportional to 55,055.12, 82,588.15 and 17,605.79 is: 26,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.12 : 82,588.15 = 17,605.79 : x
  2. Step 2: Convert to fraction form
    55,055.12/82,588.15 = 17,605.79/x
  3. Step 3: Cross multiply
    55,055.12x = 82,588.15 × 17,605.79
  4. Step 4: Simplify right side
    55,055.12x = 1,454,029,212.45
  5. Step 5: Solve for x
    x = 1,454,029,212.45/55,055.12
  6. Step 6: Final answer
    x = 26,410.43

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1.5x scale

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.