Home / 31,493.70-47,240.48-21,603.02

Finding the Fourth Proportional to 31,493.70, 47,240.48 and 21,603.02

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Solution

The fourth proportional to 31,493.70, 47,240.48 and 21,603.02 is: 32,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.70 : 47,240.48 = 21,603.02 : x
  2. Step 2: Convert to fraction form
    31,493.70/47,240.48 = 21,603.02/x
  3. Step 3: Cross multiply
    31,493.70x = 47,240.48 × 21,603.02
  4. Step 4: Simplify right side
    31,493.70x = 1,020,537,034.25
  5. Step 5: Solve for x
    x = 1,020,537,034.25/31,493.70
  6. Step 6: Final answer
    x = 32,404.48

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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.