Home / 39,414.12-54,387.78-23,495.40

Finding the Fourth Proportional to 39,414.12, 54,387.78 and 23,495.40

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Solution

The fourth proportional to 39,414.12, 54,387.78 and 23,495.40 is: 32,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414.12 : 54,387.78 = 23,495.40 : x
  2. Step 2: Convert to fraction form
    39,414.12/54,387.78 = 23,495.40/x
  3. Step 3: Cross multiply
    39,414.12x = 54,387.78 × 23,495.40
  4. Step 4: Simplify right side
    39,414.12x = 1,277,862,646.21
  5. Step 5: Solve for x
    x = 1,277,862,646.21/39,414.12
  6. Step 6: Final answer
    x = 32,421.44

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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.