Home / 34,761.90-47,967.82-21,333.72

Finding the Fourth Proportional to 34,761.90, 47,967.82 and 21,333.72

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Solution

The fourth proportional to 34,761.90, 47,967.82 and 21,333.72 is: 29,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,761.90 : 47,967.82 = 21,333.72 : x
  2. Step 2: Convert to fraction form
    34,761.90/47,967.82 = 21,333.72/x
  3. Step 3: Cross multiply
    34,761.90x = 47,967.82 × 21,333.72
  4. Step 4: Simplify right side
    34,761.90x = 1,023,332,040.89
  5. Step 5: Solve for x
    x = 1,023,332,040.89/34,761.90
  6. Step 6: Final answer
    x = 29,438.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.