Home / 34,755.72-47,962.38-19,647.85

Finding the Fourth Proportional to 34,755.72, 47,962.38 and 19,647.85

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Solution

The fourth proportional to 34,755.72, 47,962.38 and 19,647.85 is: 27,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.72 : 47,962.38 = 19,647.85 : x
  2. Step 2: Convert to fraction form
    34,755.72/47,962.38 = 19,647.85/x
  3. Step 3: Cross multiply
    34,755.72x = 47,962.38 × 19,647.85
  4. Step 4: Simplify right side
    34,755.72x = 942,357,647.88
  5. Step 5: Solve for x
    x = 942,357,647.88/34,755.72
  6. Step 6: Final answer
    x = 27,113.74

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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.