Home / 34,279.20-51,416.64-10,922.40

Finding the Fourth Proportional to 34,279.20, 51,416.64 and 10,922.40

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Solution

The fourth proportional to 34,279.20, 51,416.64 and 10,922.40 is: 16,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.20 : 51,416.64 = 10,922.40 : x
  2. Step 2: Convert to fraction form
    34,279.20/51,416.64 = 10,922.40/x
  3. Step 3: Cross multiply
    34,279.20x = 51,416.64 × 10,922.40
  4. Step 4: Simplify right side
    34,279.20x = 561,593,108.74
  5. Step 5: Solve for x
    x = 561,593,108.74/34,279.20
  6. Step 6: Final answer
    x = 16,382.91

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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.