Home / 29,900.34-41,246.01-20,961.18

Finding the Fourth Proportional to 29,900.34, 41,246.01 and 20,961.18

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Solution

The fourth proportional to 29,900.34, 41,246.01 and 20,961.18 is: 28,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,900.34 : 41,246.01 = 20,961.18 : x
  2. Step 2: Convert to fraction form
    29,900.34/41,246.01 = 20,961.18/x
  3. Step 3: Cross multiply
    29,900.34x = 41,246.01 × 20,961.18
  4. Step 4: Simplify right side
    29,900.34x = 864,565,039.89
  5. Step 5: Solve for x
    x = 864,565,039.89/29,900.34
  6. Step 6: Final answer
    x = 28,914.89

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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.