Home / 55,157.52-76,116.96-30,007.20

Finding the Fourth Proportional to 55,157.52, 76,116.96 and 30,007.20

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Solution

The fourth proportional to 55,157.52, 76,116.96 and 30,007.20 is: 41,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157.52 : 76,116.96 = 30,007.20 : x
  2. Step 2: Convert to fraction form
    55,157.52/76,116.96 = 30,007.20/x
  3. Step 3: Cross multiply
    55,157.52x = 76,116.96 × 30,007.20
  4. Step 4: Simplify right side
    55,157.52x = 2,284,056,842.11
  5. Step 5: Solve for x
    x = 2,284,056,842.11/55,157.52
  6. Step 6: Final answer
    x = 41,409.71

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1.5x scale

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.