Home / 34,781.99-47,998.67-18,866.12

Finding the Fourth Proportional to 34,781.99, 47,998.67 and 18,866.12

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Solution

The fourth proportional to 34,781.99, 47,998.67 and 18,866.12 is: 26,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,781.99 : 47,998.67 = 18,866.12 : x
  2. Step 2: Convert to fraction form
    34,781.99/47,998.67 = 18,866.12/x
  3. Step 3: Cross multiply
    34,781.99x = 47,998.67 × 18,866.12
  4. Step 4: Simplify right side
    34,781.99x = 905,548,333.74
  5. Step 5: Solve for x
    x = 905,548,333.74/34,781.99
  6. Step 6: Final answer
    x = 26,034.98

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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.