Home / 52,790.21-72,822.87-32,640.65

Finding the Fourth Proportional to 52,790.21, 72,822.87 and 32,640.65

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Solution

The fourth proportional to 52,790.21, 72,822.87 and 32,640.65 is: 45,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.21 : 72,822.87 = 32,640.65 : x
  2. Step 2: Convert to fraction form
    52,790.21/72,822.87 = 32,640.65/x
  3. Step 3: Cross multiply
    52,790.21x = 72,822.87 × 32,640.65
  4. Step 4: Simplify right side
    52,790.21x = 2,376,985,811.67
  5. Step 5: Solve for x
    x = 2,376,985,811.67/52,790.21
  6. Step 6: Final answer
    x = 45,027.02

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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.