Home / 39,240.64-54,138.54-25,101.28

Finding the Fourth Proportional to 39,240.64, 54,138.54 and 25,101.28

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Solution

The fourth proportional to 39,240.64, 54,138.54 and 25,101.28 is: 34,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.64 : 54,138.54 = 25,101.28 : x
  2. Step 2: Convert to fraction form
    39,240.64/54,138.54 = 25,101.28/x
  3. Step 3: Cross multiply
    39,240.64x = 54,138.54 × 25,101.28
  4. Step 4: Simplify right side
    39,240.64x = 1,358,946,651.33
  5. Step 5: Solve for x
    x = 1,358,946,651.33/39,240.64
  6. Step 6: Final answer
    x = 34,631.10

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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.