Home / 45,639.36-62,976.10-25,493.68

Finding the Fourth Proportional to 45,639.36, 62,976.10 and 25,493.68

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Solution

The fourth proportional to 45,639.36, 62,976.10 and 25,493.68 is: 35,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.36 : 62,976.10 = 25,493.68 : x
  2. Step 2: Convert to fraction form
    45,639.36/62,976.10 = 25,493.68/x
  3. Step 3: Cross multiply
    45,639.36x = 62,976.10 × 25,493.68
  4. Step 4: Simplify right side
    45,639.36x = 1,605,492,541.05
  5. Step 5: Solve for x
    x = 1,605,492,541.05/45,639.36
  6. Step 6: Final answer
    x = 35,177.81

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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.