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Finding the Fourth Proportional to 35,842.40, 49,466.96 and 21,694.96

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Solution

The fourth proportional to 35,842.40, 49,466.96 and 21,694.96 is: 29,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,842.40 : 49,466.96 = 21,694.96 : x
  2. Step 2: Convert to fraction form
    35,842.40/49,466.96 = 21,694.96/x
  3. Step 3: Cross multiply
    35,842.40x = 49,466.96 × 21,694.96
  4. Step 4: Simplify right side
    35,842.40x = 1,073,183,718.52
  5. Step 5: Solve for x
    x = 1,073,183,718.52/35,842.40
  6. Step 6: Final answer
    x = 29,941.74

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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.