Home / 29,342.40-43,981.20-16,868.40

Finding the Fourth Proportional to 29,342.40, 43,981.20 and 16,868.40

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Solution

The fourth proportional to 29,342.40, 43,981.20 and 16,868.40 is: 25,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.40 : 43,981.20 = 16,868.40 : x
  2. Step 2: Convert to fraction form
    29,342.40/43,981.20 = 16,868.40/x
  3. Step 3: Cross multiply
    29,342.40x = 43,981.20 × 16,868.40
  4. Step 4: Simplify right side
    29,342.40x = 741,892,474.08
  5. Step 5: Solve for x
    x = 741,892,474.08/29,342.40
  6. Step 6: Final answer
    x = 25,283.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.