Home / 31,971.51-47,962.73-9,782.57

Finding the Fourth Proportional to 31,971.51, 47,962.73 and 9,782.57

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Solution

The fourth proportional to 31,971.51, 47,962.73 and 9,782.57 is: 14,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.51 : 47,962.73 = 9,782.57 : x
  2. Step 2: Convert to fraction form
    31,971.51/47,962.73 = 9,782.57/x
  3. Step 3: Cross multiply
    31,971.51x = 47,962.73 × 9,782.57
  4. Step 4: Simplify right side
    31,971.51x = 469,198,907.98
  5. Step 5: Solve for x
    x = 469,198,907.98/31,971.51
  6. Step 6: Final answer
    x = 14,675.53

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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.