Home / 34,772.89-47,986.60-18,857.34

Finding the Fourth Proportional to 34,772.89, 47,986.60 and 18,857.34

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Solution

The fourth proportional to 34,772.89, 47,986.60 and 18,857.34 is: 26,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.89 : 47,986.60 = 18,857.34 : x
  2. Step 2: Convert to fraction form
    34,772.89/47,986.60 = 18,857.34/x
  3. Step 3: Cross multiply
    34,772.89x = 47,986.60 × 18,857.34
  4. Step 4: Simplify right side
    34,772.89x = 904,899,631.64
  5. Step 5: Solve for x
    x = 904,899,631.64/34,772.89
  6. Step 6: Final answer
    x = 26,023.14

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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.