Home / 41,291.40-56,980.44-22,428.12

Finding the Fourth Proportional to 41,291.40, 56,980.44 and 22,428.12

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Solution

The fourth proportional to 41,291.40, 56,980.44 and 22,428.12 is: 30,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,291.40 : 56,980.44 = 22,428.12 : x
  2. Step 2: Convert to fraction form
    41,291.40/56,980.44 = 22,428.12/x
  3. Step 3: Cross multiply
    41,291.40x = 56,980.44 × 22,428.12
  4. Step 4: Simplify right side
    41,291.40x = 1,277,964,145.97
  5. Step 5: Solve for x
    x = 1,277,964,145.97/41,291.40
  6. Step 6: Final answer
    x = 30,949.89

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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.