Home / 39,341.40-54,310.82-25,015.64

Finding the Fourth Proportional to 39,341.40, 54,310.82 and 25,015.64

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Solution

The fourth proportional to 39,341.40, 54,310.82 and 25,015.64 is: 34,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,341.40 : 54,310.82 = 25,015.64 : x
  2. Step 2: Convert to fraction form
    39,341.40/54,310.82 = 25,015.64/x
  3. Step 3: Cross multiply
    39,341.40x = 54,310.82 × 25,015.64
  4. Step 4: Simplify right side
    39,341.40x = 1,358,619,921.22
  5. Step 5: Solve for x
    x = 1,358,619,921.22/39,341.40
  6. Step 6: Final answer
    x = 34,534.10

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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.