Home / 39,155.40-54,021.30-25,016.52

Finding the Fourth Proportional to 39,155.40, 54,021.30 and 25,016.52

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Solution

The fourth proportional to 39,155.40, 54,021.30 and 25,016.52 is: 34,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.40 : 54,021.30 = 25,016.52 : x
  2. Step 2: Convert to fraction form
    39,155.40/54,021.30 = 25,016.52/x
  3. Step 3: Cross multiply
    39,155.40x = 54,021.30 × 25,016.52
  4. Step 4: Simplify right side
    39,155.40x = 1,351,424,931.88
  5. Step 5: Solve for x
    x = 1,351,424,931.88/39,155.40
  6. Step 6: Final answer
    x = 34,514.39

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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.