Home / 55,622.16-83,384.32-28,911.92

Finding the Fourth Proportional to 55,622.16, 83,384.32 and 28,911.92

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Solution

The fourth proportional to 55,622.16, 83,384.32 and 28,911.92 is: 43,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,622.16 : 83,384.32 = 28,911.92 : x
  2. Step 2: Convert to fraction form
    55,622.16/83,384.32 = 28,911.92/x
  3. Step 3: Cross multiply
    55,622.16x = 83,384.32 × 28,911.92
  4. Step 4: Simplify right side
    55,622.16x = 2,410,800,789.09
  5. Step 5: Solve for x
    x = 2,410,800,789.09/55,622.16
  6. Step 6: Final answer
    x = 43,342.45

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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.