Home / 56,228.32-84,356.34-39,620.80

Finding the Fourth Proportional to 56,228.32, 84,356.34 and 39,620.80

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Solution

The fourth proportional to 56,228.32, 84,356.34 and 39,620.80 is: 59,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.32 : 84,356.34 = 39,620.80 : x
  2. Step 2: Convert to fraction form
    56,228.32/84,356.34 = 39,620.80/x
  3. Step 3: Cross multiply
    56,228.32x = 84,356.34 × 39,620.80
  4. Step 4: Simplify right side
    56,228.32x = 3,342,265,675.87
  5. Step 5: Solve for x
    x = 3,342,265,675.87/56,228.32
  6. Step 6: Final answer
    x = 59,440.97

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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.