Home / 31,236.08-43,105.74-17,088.98

Finding the Fourth Proportional to 31,236.08, 43,105.74 and 17,088.98

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Solution

The fourth proportional to 31,236.08, 43,105.74 and 17,088.98 is: 23,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.08 : 43,105.74 = 17,088.98 : x
  2. Step 2: Convert to fraction form
    31,236.08/43,105.74 = 17,088.98/x
  3. Step 3: Cross multiply
    31,236.08x = 43,105.74 × 17,088.98
  4. Step 4: Simplify right side
    31,236.08x = 736,633,128.75
  5. Step 5: Solve for x
    x = 736,633,128.75/31,236.08
  6. Step 6: Final answer
    x = 23,582.76

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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.