Home / 30,118.64-41,558.67-20,062.08

Finding the Fourth Proportional to 30,118.64, 41,558.67 and 20,062.08

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Solution

The fourth proportional to 30,118.64, 41,558.67 and 20,062.08 is: 27,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.64 : 41,558.67 = 20,062.08 : x
  2. Step 2: Convert to fraction form
    30,118.64/41,558.67 = 20,062.08/x
  3. Step 3: Cross multiply
    30,118.64x = 41,558.67 × 20,062.08
  4. Step 4: Simplify right side
    30,118.64x = 833,753,362.23
  5. Step 5: Solve for x
    x = 833,753,362.23/30,118.64
  6. Step 6: Final answer
    x = 27,682.31

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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.