Home / 34,725.10-47,920.59-18,809.61

Finding the Fourth Proportional to 34,725.10, 47,920.59 and 18,809.61

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Solution

The fourth proportional to 34,725.10, 47,920.59 and 18,809.61 is: 25,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,725.10 : 47,920.59 = 18,809.61 : x
  2. Step 2: Convert to fraction form
    34,725.10/47,920.59 = 18,809.61/x
  3. Step 3: Cross multiply
    34,725.10x = 47,920.59 × 18,809.61
  4. Step 4: Simplify right side
    34,725.10x = 901,367,608.87
  5. Step 5: Solve for x
    x = 901,367,608.87/34,725.10
  6. Step 6: Final answer
    x = 25,957.24

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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.