Home / 31,530.31-47,230.85-25,256.36

Finding the Fourth Proportional to 31,530.31, 47,230.85 and 25,256.36

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Solution

The fourth proportional to 31,530.31, 47,230.85 and 25,256.36 is: 37,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.31 : 47,230.85 = 25,256.36 : x
  2. Step 2: Convert to fraction form
    31,530.31/47,230.85 = 25,256.36/x
  3. Step 3: Cross multiply
    31,530.31x = 47,230.85 × 25,256.36
  4. Step 4: Simplify right side
    31,530.31x = 1,192,879,124.18
  5. Step 5: Solve for x
    x = 1,192,879,124.18/31,530.31
  6. Step 6: Final answer
    x = 37,832.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.