Home / 55,538.52-76,642.77-30,388.02

Finding the Fourth Proportional to 55,538.52, 76,642.77 and 30,388.02

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Solution

The fourth proportional to 55,538.52, 76,642.77 and 30,388.02 is: 41,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.52 : 76,642.77 = 30,388.02 : x
  2. Step 2: Convert to fraction form
    55,538.52/76,642.77 = 30,388.02/x
  3. Step 3: Cross multiply
    55,538.52x = 76,642.77 × 30,388.02
  4. Step 4: Simplify right side
    55,538.52x = 2,329,022,027.62
  5. Step 5: Solve for x
    x = 2,329,022,027.62/55,538.52
  6. Step 6: Final answer
    x = 41,935.26

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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.