Home / 34,743.13-47,945.32-18,827.58

Finding the Fourth Proportional to 34,743.13, 47,945.32 and 18,827.58

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Solution

The fourth proportional to 34,743.13, 47,945.32 and 18,827.58 is: 25,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,743.13 : 47,945.32 = 18,827.58 : x
  2. Step 2: Convert to fraction form
    34,743.13/47,945.32 = 18,827.58/x
  3. Step 3: Cross multiply
    34,743.13x = 47,945.32 × 18,827.58
  4. Step 4: Simplify right side
    34,743.13x = 902,694,347.93
  5. Step 5: Solve for x
    x = 902,694,347.93/34,743.13
  6. Step 6: Final answer
    x = 25,981.95

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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.