Home / 65,551.10-90,472.32-38,692.04

Finding the Fourth Proportional to 65,551.10, 90,472.32 and 38,692.04

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Solution

The fourth proportional to 65,551.10, 90,472.32 and 38,692.04 is: 53,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,551.10 : 90,472.32 = 38,692.04 : x
  2. Step 2: Convert to fraction form
    65,551.10/90,472.32 = 38,692.04/x
  3. Step 3: Cross multiply
    65,551.10x = 90,472.32 × 38,692.04
  4. Step 4: Simplify right side
    65,551.10x = 3,500,558,624.33
  5. Step 5: Solve for x
    x = 3,500,558,624.33/65,551.10
  6. Step 6: Final answer
    x = 53,401.98

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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.