Home / 31,388.42-47,298.54-25,963.85

Finding the Fourth Proportional to 31,388.42, 47,298.54 and 25,963.85

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Solution

The fourth proportional to 31,388.42, 47,298.54 and 25,963.85 is: 39,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.42 : 47,298.54 = 25,963.85 : x
  2. Step 2: Convert to fraction form
    31,388.42/47,298.54 = 25,963.85/x
  3. Step 3: Cross multiply
    31,388.42x = 47,298.54 × 25,963.85
  4. Step 4: Simplify right side
    31,388.42x = 1,228,051,961.29
  5. Step 5: Solve for x
    x = 1,228,051,961.29/31,388.42
  6. Step 6: Final answer
    x = 39,124.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.