Home / 39,403.72-54,355.62-25,240.60

Finding the Fourth Proportional to 39,403.72, 54,355.62 and 25,240.60

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Solution

The fourth proportional to 39,403.72, 54,355.62 and 25,240.60 is: 34,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.72 : 54,355.62 = 25,240.60 : x
  2. Step 2: Convert to fraction form
    39,403.72/54,355.62 = 25,240.60/x
  3. Step 3: Cross multiply
    39,403.72x = 54,355.62 × 25,240.60
  4. Step 4: Simplify right side
    39,403.72x = 1,371,968,462.17
  5. Step 5: Solve for x
    x = 1,371,968,462.17/39,403.72
  6. Step 6: Final answer
    x = 34,818.25

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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.