Home / 39,167.18-54,050.83-21,262.20

Finding the Fourth Proportional to 39,167.18, 54,050.83 and 21,262.20

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Solution

The fourth proportional to 39,167.18, 54,050.83 and 21,262.20 is: 29,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.18 : 54,050.83 = 21,262.20 : x
  2. Step 2: Convert to fraction form
    39,167.18/54,050.83 = 21,262.20/x
  3. Step 3: Cross multiply
    39,167.18x = 54,050.83 × 21,262.20
  4. Step 4: Simplify right side
    39,167.18x = 1,149,239,234.22
  5. Step 5: Solve for x
    x = 1,149,239,234.22/39,167.18
  6. Step 6: Final answer
    x = 29,341.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.