Home / 43,429.32-65,156.30-22,384.78

Finding the Fourth Proportional to 43,429.32, 65,156.30 and 22,384.78

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Solution

The fourth proportional to 43,429.32, 65,156.30 and 22,384.78 is: 33,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,429.32 : 65,156.30 = 22,384.78 : x
  2. Step 2: Convert to fraction form
    43,429.32/65,156.30 = 22,384.78/x
  3. Step 3: Cross multiply
    43,429.32x = 65,156.30 × 22,384.78
  4. Step 4: Simplify right side
    43,429.32x = 1,458,509,441.11
  5. Step 5: Solve for x
    x = 1,458,509,441.11/43,429.32
  6. Step 6: Final answer
    x = 33,583.52

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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.