Home / 39,467.66-54,465.48-21,562.88

Finding the Fourth Proportional to 39,467.66, 54,465.48 and 21,562.88

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Solution

The fourth proportional to 39,467.66, 54,465.48 and 21,562.88 is: 29,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,467.66 : 54,465.48 = 21,562.88 : x
  2. Step 2: Convert to fraction form
    39,467.66/54,465.48 = 21,562.88/x
  3. Step 3: Cross multiply
    39,467.66x = 54,465.48 × 21,562.88
  4. Step 4: Simplify right side
    39,467.66x = 1,174,432,337.06
  5. Step 5: Solve for x
    x = 1,174,432,337.06/39,467.66
  6. Step 6: Final answer
    x = 29,756.83

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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.