Home / 56,438.08-84,671.22-39,830.53

Finding the Fourth Proportional to 56,438.08, 84,671.22 and 39,830.53

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Solution

The fourth proportional to 56,438.08, 84,671.22 and 39,830.53 is: 59,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.08 : 84,671.22 = 39,830.53 : x
  2. Step 2: Convert to fraction form
    56,438.08/84,671.22 = 39,830.53/x
  3. Step 3: Cross multiply
    56,438.08x = 84,671.22 × 39,830.53
  4. Step 4: Simplify right side
    56,438.08x = 3,372,499,568.35
  5. Step 5: Solve for x
    x = 3,372,499,568.35/56,438.08
  6. Step 6: Final answer
    x = 59,755.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.