Home / 39,357.18-54,247.98-27,857.22

Finding the Fourth Proportional to 39,357.18, 54,247.98 and 27,857.22

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Solution

The fourth proportional to 39,357.18, 54,247.98 and 27,857.22 is: 38,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.18 : 54,247.98 = 27,857.22 : x
  2. Step 2: Convert to fraction form
    39,357.18/54,247.98 = 27,857.22/x
  3. Step 3: Cross multiply
    39,357.18x = 54,247.98 × 27,857.22
  4. Step 4: Simplify right side
    39,357.18x = 1,511,197,913.42
  5. Step 5: Solve for x
    x = 1,511,197,913.42/39,357.18
  6. Step 6: Final answer
    x = 38,397.01

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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.