Home / 31,986.92-47,918.04-19,475.92

Finding the Fourth Proportional to 31,986.92, 47,918.04 and 19,475.92

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Solution

The fourth proportional to 31,986.92, 47,918.04 and 19,475.92 is: 29,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.92 : 47,918.04 = 19,475.92 : x
  2. Step 2: Convert to fraction form
    31,986.92/47,918.04 = 19,475.92/x
  3. Step 3: Cross multiply
    31,986.92x = 47,918.04 × 19,475.92
  4. Step 4: Simplify right side
    31,986.92x = 933,247,913.60
  5. Step 5: Solve for x
    x = 933,247,913.60/31,986.92
  6. Step 6: Final answer
    x = 29,175.92

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1.5x scale

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.