Home / 56,845.40-78,444.22-31,694.68

Finding the Fourth Proportional to 56,845.40, 78,444.22 and 31,694.68

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Solution

The fourth proportional to 56,845.40, 78,444.22 and 31,694.68 is: 43,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,845.40 : 78,444.22 = 31,694.68 : x
  2. Step 2: Convert to fraction form
    56,845.40/78,444.22 = 31,694.68/x
  3. Step 3: Cross multiply
    56,845.40x = 78,444.22 × 31,694.68
  4. Step 4: Simplify right side
    56,845.40x = 2,486,264,450.75
  5. Step 5: Solve for x
    x = 2,486,264,450.75/56,845.40
  6. Step 6: Final answer
    x = 43,737.30

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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.