Home / 30,318.64-41,536.74-29,182.31

Finding the Fourth Proportional to 30,318.64, 41,536.74 and 29,182.31

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Solution

The fourth proportional to 30,318.64, 41,536.74 and 29,182.31 is: 39,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.64 : 41,536.74 = 29,182.31 : x
  2. Step 2: Convert to fraction form
    30,318.64/41,536.74 = 29,182.31/x
  3. Step 3: Cross multiply
    30,318.64x = 41,536.74 × 29,182.31
  4. Step 4: Simplify right side
    30,318.64x = 1,212,137,992.18
  5. Step 5: Solve for x
    x = 1,212,137,992.18/30,318.64
  6. Step 6: Final answer
    x = 39,979.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.