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Finding the Fourth Proportional to 63,676.94, 87,874.98 and 34,999.72

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Solution

The fourth proportional to 63,676.94, 87,874.98 and 34,999.72 is: 48,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.94 : 87,874.98 = 34,999.72 : x
  2. Step 2: Convert to fraction form
    63,676.94/87,874.98 = 34,999.72/x
  3. Step 3: Cross multiply
    63,676.94x = 87,874.98 × 34,999.72
  4. Step 4: Simplify right side
    63,676.94x = 3,075,599,591.22
  5. Step 5: Solve for x
    x = 3,075,599,591.22/63,676.94
  6. Step 6: Final answer
    x = 48,300.06

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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.