Home / 31,640.16-43,670.08-26,329.76

Finding the Fourth Proportional to 31,640.16, 43,670.08 and 26,329.76

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Solution

The fourth proportional to 31,640.16, 43,670.08 and 26,329.76 is: 36,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.16 : 43,670.08 = 26,329.76 : x
  2. Step 2: Convert to fraction form
    31,640.16/43,670.08 = 26,329.76/x
  3. Step 3: Cross multiply
    31,640.16x = 43,670.08 × 26,329.76
  4. Step 4: Simplify right side
    31,640.16x = 1,149,822,725.58
  5. Step 5: Solve for x
    x = 1,149,822,725.58/31,640.16
  6. Step 6: Final answer
    x = 36,340.61

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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.