Home / 31,347.54-47,021.61-7,973.97

Finding the Fourth Proportional to 31,347.54, 47,021.61 and 7,973.97

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Solution

The fourth proportional to 31,347.54, 47,021.61 and 7,973.97 is: 11,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.54 : 47,021.61 = 7,973.97 : x
  2. Step 2: Convert to fraction form
    31,347.54/47,021.61 = 7,973.97/x
  3. Step 3: Cross multiply
    31,347.54x = 47,021.61 × 7,973.97
  4. Step 4: Simplify right side
    31,347.54x = 374,948,907.49
  5. Step 5: Solve for x
    x = 374,948,907.49/31,347.54
  6. Step 6: Final answer
    x = 11,961.03

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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.