Home / 55,658.74-83,498.36-18,220.90

Finding the Fourth Proportional to 55,658.74, 83,498.36 and 18,220.90

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Solution

The fourth proportional to 55,658.74, 83,498.36 and 18,220.90 is: 27,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658.74 : 83,498.36 = 18,220.90 : x
  2. Step 2: Convert to fraction form
    55,658.74/83,498.36 = 18,220.90/x
  3. Step 3: Cross multiply
    55,658.74x = 83,498.36 × 18,220.90
  4. Step 4: Simplify right side
    55,658.74x = 1,521,415,267.72
  5. Step 5: Solve for x
    x = 1,521,415,267.72/55,658.74
  6. Step 6: Final answer
    x = 27,334.71

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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.