Home / 39,135.60-54,022.68-25,009.20

Finding the Fourth Proportional to 39,135.60, 54,022.68 and 25,009.20

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Solution

The fourth proportional to 39,135.60, 54,022.68 and 25,009.20 is: 34,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.60 : 54,022.68 = 25,009.20 : x
  2. Step 2: Convert to fraction form
    39,135.60/54,022.68 = 25,009.20/x
  3. Step 3: Cross multiply
    39,135.60x = 54,022.68 × 25,009.20
  4. Step 4: Simplify right side
    39,135.60x = 1,351,064,008.66
  5. Step 5: Solve for x
    x = 1,351,064,008.66/39,135.60
  6. Step 6: Final answer
    x = 34,522.63

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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.