Home / 31,493.94-47,240.86-21,603.26

Finding the Fourth Proportional to 31,493.94, 47,240.86 and 21,603.26

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Solution

The fourth proportional to 31,493.94, 47,240.86 and 21,603.26 is: 32,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.94 : 47,240.86 = 21,603.26 : x
  2. Step 2: Convert to fraction form
    31,493.94/47,240.86 = 21,603.26/x
  3. Step 3: Cross multiply
    31,493.94x = 47,240.86 × 21,603.26
  4. Step 4: Simplify right side
    31,493.94x = 1,020,556,581.20
  5. Step 5: Solve for x
    x = 1,020,556,581.20/31,493.94
  6. Step 6: Final answer
    x = 32,404.86

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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.