Home / 55,674.08-76,727.18-39,542.09

Finding the Fourth Proportional to 55,674.08, 76,727.18 and 39,542.09

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Solution

The fourth proportional to 55,674.08, 76,727.18 and 39,542.09 is: 54,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,674.08 : 76,727.18 = 39,542.09 : x
  2. Step 2: Convert to fraction form
    55,674.08/76,727.18 = 39,542.09/x
  3. Step 3: Cross multiply
    55,674.08x = 76,727.18 × 39,542.09
  4. Step 4: Simplify right side
    55,674.08x = 3,033,952,475.66
  5. Step 5: Solve for x
    x = 3,033,952,475.66/55,674.08
  6. Step 6: Final answer
    x = 54,494.89

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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.