Home / 29,079.37-43,640.79-11,312.83

Finding the Fourth Proportional to 29,079.37, 43,640.79 and 11,312.83

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Solution

The fourth proportional to 29,079.37, 43,640.79 and 11,312.83 is: 16,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.37 : 43,640.79 = 11,312.83 : x
  2. Step 2: Convert to fraction form
    29,079.37/43,640.79 = 11,312.83/x
  3. Step 3: Cross multiply
    29,079.37x = 43,640.79 × 11,312.83
  4. Step 4: Simplify right side
    29,079.37x = 493,700,838.34
  5. Step 5: Solve for x
    x = 493,700,838.34/29,079.37
  6. Step 6: Final answer
    x = 16,977.70

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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.