Home / 31,509.92-43,467.36-25,548.32

Finding the Fourth Proportional to 31,509.92, 43,467.36 and 25,548.32

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Solution

The fourth proportional to 31,509.92, 43,467.36 and 25,548.32 is: 35,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.92 : 43,467.36 = 25,548.32 : x
  2. Step 2: Convert to fraction form
    31,509.92/43,467.36 = 25,548.32/x
  3. Step 3: Cross multiply
    31,509.92x = 43,467.36 × 25,548.32
  4. Step 4: Simplify right side
    31,509.92x = 1,110,518,022.84
  5. Step 5: Solve for x
    x = 1,110,518,022.84/31,509.92
  6. Step 6: Final answer
    x = 35,243.44

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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.