Home / 34,742.85-47,945.30-18,827.33

Finding the Fourth Proportional to 34,742.85, 47,945.30 and 18,827.33

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Solution

The fourth proportional to 34,742.85, 47,945.30 and 18,827.33 is: 25,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.85 : 47,945.30 = 18,827.33 : x
  2. Step 2: Convert to fraction form
    34,742.85/47,945.30 = 18,827.33/x
  3. Step 3: Cross multiply
    34,742.85x = 47,945.30 × 18,827.33
  4. Step 4: Simplify right side
    34,742.85x = 902,681,651.19
  5. Step 5: Solve for x
    x = 902,681,651.19/34,742.85
  6. Step 6: Final answer
    x = 25,981.80

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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.