Home / 39,461.08-54,345.70-39,338.12

Finding the Fourth Proportional to 39,461.08, 54,345.70 and 39,338.12

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Solution

The fourth proportional to 39,461.08, 54,345.70 and 39,338.12 is: 54,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.08 : 54,345.70 = 39,338.12 : x
  2. Step 2: Convert to fraction form
    39,461.08/54,345.70 = 39,338.12/x
  3. Step 3: Cross multiply
    39,461.08x = 54,345.70 × 39,338.12
  4. Step 4: Simplify right side
    39,461.08x = 2,137,857,668.08
  5. Step 5: Solve for x
    x = 2,137,857,668.08/39,461.08
  6. Step 6: Final answer
    x = 54,176.36

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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.