Home / 34,636.56-47,798.34-18,720.96

Finding the Fourth Proportional to 34,636.56, 47,798.34 and 18,720.96

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Solution

The fourth proportional to 34,636.56, 47,798.34 and 18,720.96 is: 25,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,636.56 : 47,798.34 = 18,720.96 : x
  2. Step 2: Convert to fraction form
    34,636.56/47,798.34 = 18,720.96/x
  3. Step 3: Cross multiply
    34,636.56x = 47,798.34 × 18,720.96
  4. Step 4: Simplify right side
    34,636.56x = 894,830,811.21
  5. Step 5: Solve for x
    x = 894,830,811.21/34,636.56
  6. Step 6: Final answer
    x = 25,834.86

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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.