Home / 55,629.20-83,336.28-30,930.32

Finding the Fourth Proportional to 55,629.20, 83,336.28 and 30,930.32

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Solution

The fourth proportional to 55,629.20, 83,336.28 and 30,930.32 is: 46,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.20 : 83,336.28 = 30,930.32 : x
  2. Step 2: Convert to fraction form
    55,629.20/83,336.28 = 30,930.32/x
  3. Step 3: Cross multiply
    55,629.20x = 83,336.28 × 30,930.32
  4. Step 4: Simplify right side
    55,629.20x = 2,577,617,808.01
  5. Step 5: Solve for x
    x = 2,577,617,808.01/55,629.20
  6. Step 6: Final answer
    x = 46,335.70

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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.