Home / 34,697.13-47,881.93-18,781.54

Finding the Fourth Proportional to 34,697.13, 47,881.93 and 18,781.54

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Solution

The fourth proportional to 34,697.13, 47,881.93 and 18,781.54 is: 25,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,697.13 : 47,881.93 = 18,781.54 : x
  2. Step 2: Convert to fraction form
    34,697.13/47,881.93 = 18,781.54/x
  3. Step 3: Cross multiply
    34,697.13x = 47,881.93 × 18,781.54
  4. Step 4: Simplify right side
    34,697.13x = 899,296,383.57
  5. Step 5: Solve for x
    x = 899,296,383.57/34,697.13
  6. Step 6: Final answer
    x = 25,918.47

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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.